Finding the Fourth Proportional to 88,573,652.20, 132,860,478.30 and 74,543,609.80
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Solution
The fourth proportional to 88,573,652.20, 132,860,478.30 and 74,543,609.80 is: 111,815,414.70
Step by Step Solution
- Step 1: Write the proportion equation
88,573,652.20 : 132,860,478.30 = 74,543,609.80 : x - Step 2: Convert to fraction form
88,573,652.20/132,860,478.30 = 74,543,609.80/x - Step 3: Cross multiply
88,573,652.20x = 132,860,478.30 × 74,543,609.80 - Step 4: Simplify right side
88,573,652.20x = 9,903,899,652,236,566 - Step 5: Solve for x
x = 9,903,899,652,236,566/88,573,652.20 - Step 6: Final answer
x = 111,815,414.70
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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.