Finding the Fourth Proportional to 71,332,132.77, 106,964,469.70 and 27,633,358.58
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Solution
The fourth proportional to 71,332,132.77, 106,964,469.70 and 27,633,358.58 is: 41,436,971.41
Step by Step Solution
- Step 1: Write the proportion equation
71,332,132.77 : 106,964,469.70 = 27,633,358.58 : x - Step 2: Convert to fraction form
71,332,132.77/106,964,469.70 = 27,633,358.58/x - Step 3: Cross multiply
71,332,132.77x = 106,964,469.70 × 27,633,358.58 - Step 4: Simplify right side
71,332,132.77x = 2,955,787,546,539,645 - Step 5: Solve for x
x = 2,955,787,546,539,645/71,332,132.77 - Step 6: Final answer
x = 41,436,971.41
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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.