Finding the Fourth Proportional to 244,398,938.70, 367,023,560.85 and 129,607,682.70
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Solution
The fourth proportional to 244,398,938.70, 367,023,560.85 and 129,607,682.70 is: 194,636,987.67
Step by Step Solution
- Step 1: Write the proportion equation
244,398,938.70 : 367,023,560.85 = 129,607,682.70 : x - Step 2: Convert to fraction form
244,398,938.70/367,023,560.85 = 129,607,682.70/x - Step 3: Cross multiply
244,398,938.70x = 367,023,560.85 × 129,607,682.70 - Step 4: Simplify right side
244,398,938.70x = 47,569,073,218,070,944 - Step 5: Solve for x
x = 47,569,073,218,070,944/244,398,938.70 - Step 6: Final answer
x = 194,636,987.67
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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.