Finding the Fourth Proportional to 160,747,087.80, 221,832,135.90 and 87,407,704.92
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Solution
The fourth proportional to 160,747,087.80, 221,832,135.90 and 87,407,704.92 is: 120,623,260.69
Step by Step Solution
- Step 1: Write the proportion equation
160,747,087.80 : 221,832,135.90 = 87,407,704.92 : x - Step 2: Convert to fraction form
160,747,087.80/221,832,135.90 = 87,407,704.92/x - Step 3: Cross multiply
160,747,087.80x = 221,832,135.90 × 87,407,704.92 - Step 4: Simplify right side
160,747,087.80x = 19,389,837,876,520,540 - Step 5: Solve for x
x = 19,389,837,876,520,540/160,747,087.80 - Step 6: Final answer
x = 120,623,260.69
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.