Finding the Fourth Proportional to 345,397,104.05, 517,948,181.21 and 199,931,073.53
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Solution
The fourth proportional to 345,397,104.05, 517,948,181.21 and 199,931,073.53 is: 299,811,245.34
Step by Step Solution
- Step 1: Write the proportion equation
345,397,104.05 : 517,948,181.21 = 199,931,073.53 : x - Step 2: Convert to fraction form
345,397,104.05/517,948,181.21 = 199,931,073.53/x - Step 3: Cross multiply
345,397,104.05x = 517,948,181.21 × 199,931,073.53 - Step 4: Simplify right side
345,397,104.05x = 103,553,935,901,226,624 - Step 5: Solve for x
x = 103,553,935,901,226,624/345,397,104.05 - Step 6: Final answer
x = 299,811,245.34
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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.