Finding the Fourth Proportional to 252,655,237.80, 378,982,856.70 and 88,918,265.70
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Solution
The fourth proportional to 252,655,237.80, 378,982,856.70 and 88,918,265.70 is: 133,377,398.55
Step by Step Solution
- Step 1: Write the proportion equation
252,655,237.80 : 378,982,856.70 = 88,918,265.70 : x - Step 2: Convert to fraction form
252,655,237.80/378,982,856.70 = 88,918,265.70/x - Step 3: Cross multiply
252,655,237.80x = 378,982,856.70 × 88,918,265.70 - Step 4: Simplify right side
252,655,237.80x = 33,698,498,347,795,624 - Step 5: Solve for x
x = 33,698,498,347,795,624/252,655,237.80 - Step 6: Final answer
x = 133,377,398.55
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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.