Finding the Fourth Proportional to 69,122,013.44, 95,391,274.65 and 39,753,365.99
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Solution
The fourth proportional to 69,122,013.44, 95,391,274.65 and 39,753,365.99 is: 54,861,310.67
Step by Step Solution
- Step 1: Write the proportion equation
69,122,013.44 : 95,391,274.65 = 39,753,365.99 : x - Step 2: Convert to fraction form
69,122,013.44/95,391,274.65 = 39,753,365.99/x - Step 3: Cross multiply
69,122,013.44x = 95,391,274.65 × 39,753,365.99 - Step 4: Simplify right side
69,122,013.44x = 3,792,124,253,414,059.50 - Step 5: Solve for x
x = 3,792,124,253,414,059.50/69,122,013.44 - Step 6: Final answer
x = 54,861,310.67
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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.