If a country debt to gdp ratio is currently 20% and it debt is expected to grow from 50 billion dollars to 100 Biko dollars in the next 30 years, what will the country gdp have to be in 30 years to maintain the current debt to gdp ratio

To calculate the required GDP in 30 years to maintain the current debt-to-GDP ratio, we need to determine the current GDP and the expected increase in debt.

Let's assume the current GDP is represented by "X."

First, let's find the current debt by multiplying the current debt-to-GDP ratio by the current GDP:

Debt (current) = 20% * X = 0.20X

We are given that the debt is expected to grow from 50 billion dollars to 100 billion dollars, which is an increase of 100 billion - 50 billion = 50 billion dollars.

So, the future debt (in 30 years) is given by:

Debt (future) = Debt (current) + Debt increase
Debt (future) = 0.20X + 50 billion

Now, let's calculate the expected GDP in 30 years to maintain the current debt-to-GDP ratio:

Debt-to-GDP ratio (future) = Debt (future) / GDP (future)

Since the debt-to-GDP ratio is given as 20%:

0.20 = (0.20X + 50 billion) / GDP (future)

To solve for GDP (future), we multiply both sides of the equation by GDP (future):

0.20 * GDP (future) = 0.20X + 50 billion

0.20 * GDP (future) = 0.20X + 50,000,000,000 (in dollars)

Now, we can rearrange the equation to solve for GDP (future):

GDP (future) = (0.20X + 50,000,000,000) / 0.20

GDP (future) = X + 250,000,000,000

Therefore, in 30 years, the country's GDP will need to be X + 250,000,000,000 dollars to maintain the current debt-to-GDP ratio.

To maintain the current debt-to-GDP ratio, we need to calculate the future GDP at which the debt will be equal to 20% of that future GDP.

Let's start by determining the current debt amount as a percentage of the current GDP:

Debt-to-GDP ratio = (Current Debt / Current GDP) * 100

Since the current debt-to-GDP ratio is 20%, we can express it as:

20 = (50 billion / Current GDP) * 100

Simplifying the equation, we have:

50 billion / Current GDP = 20 / 100

50 billion / Current GDP = 0.2

Now, we can calculate the future GDP needed to maintain the same debt-to-GDP ratio:

Future Debt / Future GDP = 0.2

Since the future debt is projected to be 100 billion dollars, we substitute these values in the equation:

100 billion / Future GDP = 0.2

To isolate Future GDP, we multiply both sides of the equation by Future GDP:

100 billion = 0.2 * Future GDP

Dividing both sides by 0.2, we get:

Future GDP = 100 billion / 0.2

Simplifying, we have:

Future GDP = 500 billion dollars

Therefore, the country's GDP will need to be 500 billion dollars in 30 years to maintain the current debt-to-GDP ratio of 20%.

To find out the country's GDP after 30 years, we need to consider the current debt to GDP ratio and the projected increase in debt. The debt to GDP ratio is calculated by dividing the debt by the GDP and multiplying by 100. In this case, the current debt to GDP ratio is 20%.

Step 1: Calculate the current GDP:
Let's assume the current GDP is represented by 'x'. So, we have: (20/100) * x = $50 billion
This equation can be rearranged as: 20x = $50 billion
Solving for 'x', we get: x = $50 billion / 20
Therefore, the current GDP is $2.5 billion.

Step 2: Calculate the projected GDP after 30 years:
We need to consider the projected increase in debt, which is from $50 billion to $100 billion. This increase represents 100% of the current debt, which means the new debt is twice the current debt. So, the projected debt after 30 years is $100 billion.

To find the required GDP to maintain the same debt to GDP ratio, we need to construct the following equation:
(20/100) * GDP after 30 years = $100 billion

This equation can be rearranged as:
20 * GDP after 30 years = $100 billion
Solving for 'GDP after 30 years', we get:
GDP after 30 years = $100 billion / 20

Therefore, the country's GDP after 30 years would need to be $5 billion to maintain the current debt to GDP ratio of 20%.