Home / 71,883,761.48-107,715,922.13-42,680,092.53

Finding the Fourth Proportional to 71,883,761.48, 107,715,922.13 and 42,680,092.53

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Solution

The fourth proportional to 71,883,761.48, 107,715,922.13 and 42,680,092.53 is: 63,954,993.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,883,761.48 : 107,715,922.13 = 42,680,092.53 : x
  2. Step 2: Convert to fraction form
    71,883,761.48/107,715,922.13 = 42,680,092.53/x
  3. Step 3: Cross multiply
    71,883,761.48x = 107,715,922.13 × 42,680,092.53
  4. Step 4: Simplify right side
    71,883,761.48x = 4,597,325,523,569,375
  5. Step 5: Solve for x
    x = 4,597,325,523,569,375/71,883,761.48
  6. Step 6: Final answer
    x = 63,954,993.86

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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.