Finding the Fourth Proportional to 177,643,862.10, 266,465,793.15 and 137,283,311.70
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Solution
The fourth proportional to 177,643,862.10, 266,465,793.15 and 137,283,311.70 is: 205,924,967.55
Step by Step Solution
- Step 1: Write the proportion equation
177,643,862.10 : 266,465,793.15 = 137,283,311.70 : x - Step 2: Convert to fraction form
177,643,862.10/266,465,793.15 = 137,283,311.70/x - Step 3: Cross multiply
177,643,862.10x = 266,465,793.15 × 137,283,311.70 - Step 4: Simplify right side
177,643,862.10x = 36,581,306,538,399,176 - Step 5: Solve for x
x = 36,581,306,538,399,176/177,643,862.10 - Step 6: Final answer
x = 205,924,967.55
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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.