Finding the Fourth Proportional to 75,313,490.81, 112,926,340.83 and 29,201,489.38
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Solution
The fourth proportional to 75,313,490.81, 112,926,340.83 and 29,201,489.38 is: 43,785,214.39
Step by Step Solution
- Step 1: Write the proportion equation
75,313,490.81 : 112,926,340.83 = 29,201,489.38 : x - Step 2: Convert to fraction form
75,313,490.81/112,926,340.83 = 29,201,489.38/x - Step 3: Cross multiply
75,313,490.81x = 112,926,340.83 × 29,201,489.38 - Step 4: Simplify right side
75,313,490.81x = 3,297,617,341,904,873.50 - Step 5: Solve for x
x = 3,297,617,341,904,873.50/75,313,490.81 - Step 6: Final answer
x = 43,785,214.39
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.