Finding the Fourth Proportional to 88,145,414.10, 132,218,121.15 and 74,036,639.70
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Solution
The fourth proportional to 88,145,414.10, 132,218,121.15 and 74,036,639.70 is: 111,054,959.55
Step by Step Solution
- Step 1: Write the proportion equation
88,145,414.10 : 132,218,121.15 = 74,036,639.70 : x - Step 2: Convert to fraction form
88,145,414.10/132,218,121.15 = 74,036,639.70/x - Step 3: Cross multiply
88,145,414.10x = 132,218,121.15 × 74,036,639.70 - Step 4: Simplify right side
88,145,414.10x = 9,788,985,397,393,500 - Step 5: Solve for x
x = 9,788,985,397,393,500/88,145,414.10 - Step 6: Final answer
x = 111,054,959.55
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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.