Finding the Fourth Proportional to 87,732,452.17, 121,072,631.18 and 48,041,649.85
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Solution
The fourth proportional to 87,732,452.17, 121,072,631.18 and 48,041,649.85 is: 66,298,488.30
Step by Step Solution
- Step 1: Write the proportion equation
87,732,452.17 : 121,072,631.18 = 48,041,649.85 : x - Step 2: Convert to fraction form
87,732,452.17/121,072,631.18 = 48,041,649.85/x - Step 3: Cross multiply
87,732,452.17x = 121,072,631.18 × 48,041,649.85 - Step 4: Simplify right side
87,732,452.17x = 5,816,528,953,567,753 - Step 5: Solve for x
x = 5,816,528,953,567,753/87,732,452.17 - Step 6: Final answer
x = 66,298,488.30
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.