Finding the Fourth Proportional to 88,715,137.20, 132,873,640.20 and 72,789,889.20
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Solution
The fourth proportional to 88,715,137.20, 132,873,640.20 and 72,789,889.20 is: 109,021,502.45
Step by Step Solution
- Step 1: Write the proportion equation
88,715,137.20 : 132,873,640.20 = 72,789,889.20 : x - Step 2: Convert to fraction form
88,715,137.20/132,873,640.20 = 72,789,889.20/x - Step 3: Cross multiply
88,715,137.20x = 132,873,640.20 × 72,789,889.20 - Step 4: Simplify right side
88,715,137.20x = 9,671,857,547,758,666 - Step 5: Solve for x
x = 9,671,857,547,758,666/88,715,137.20 - Step 6: Final answer
x = 109,021,502.45
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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.