Finding the Fourth Proportional to 88,573,729.20, 132,860,593.80 and 66,572,071.80
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Solution
The fourth proportional to 88,573,729.20, 132,860,593.80 and 66,572,071.80 is: 99,858,107.70
Step by Step Solution
- Step 1: Write the proportion equation
88,573,729.20 : 132,860,593.80 = 66,572,071.80 : x - Step 2: Convert to fraction form
88,573,729.20/132,860,593.80 = 66,572,071.80/x - Step 3: Cross multiply
88,573,729.20x = 132,860,593.80 × 66,572,071.80 - Step 4: Simplify right side
88,573,729.20x = 8,844,804,989,844,234 - Step 5: Solve for x
x = 8,844,804,989,844,234/88,573,729.20 - Step 6: Final answer
x = 99,858,107.70
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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.