Finding the Fourth Proportional to 88,747,672.23, 122,469,438.17 and 49,589,770.82
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Solution
The fourth proportional to 88,747,672.23, 122,469,438.17 and 49,589,770.82 is: 68,432,570.89
Step by Step Solution
- Step 1: Write the proportion equation
88,747,672.23 : 122,469,438.17 = 49,589,770.82 : x - Step 2: Convert to fraction form
88,747,672.23/122,469,438.17 = 49,589,770.82/x - Step 3: Cross multiply
88,747,672.23x = 122,469,438.17 × 49,589,770.82 - Step 4: Simplify right side
88,747,672.23x = 6,073,231,370,816,087 - Step 5: Solve for x
x = 6,073,231,370,816,087/88,747,672.23 - Step 6: Final answer
x = 68,432,570.89
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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.