Finding the Fourth Proportional to 88,397,130.20, 132,595,695.30 and 74,367,087.80
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Solution
The fourth proportional to 88,397,130.20, 132,595,695.30 and 74,367,087.80 is: 111,550,631.70
Step by Step Solution
- Step 1: Write the proportion equation
88,397,130.20 : 132,595,695.30 = 74,367,087.80 : x - Step 2: Convert to fraction form
88,397,130.20/132,595,695.30 = 74,367,087.80/x - Step 3: Cross multiply
88,397,130.20x = 132,595,695.30 × 74,367,087.80 - Step 4: Simplify right side
88,397,130.20x = 9,860,755,714,277,146 - Step 5: Solve for x
x = 9,860,755,714,277,146/88,397,130.20 - Step 6: Final answer
x = 111,550,631.70
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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.