Home / 71,731,115.43-107,484,572.29-49,914,120.80

Finding the Fourth Proportional to 71,731,115.43, 107,484,572.29 and 49,914,120.80

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Solution

The fourth proportional to 71,731,115.43, 107,484,572.29 and 49,914,120.80 is: 74,793,175.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,731,115.43 : 107,484,572.29 = 49,914,120.80 : x
  2. Step 2: Convert to fraction form
    71,731,115.43/107,484,572.29 = 49,914,120.80/x
  3. Step 3: Cross multiply
    71,731,115.43x = 107,484,572.29 × 49,914,120.80
  4. Step 4: Simplify right side
    71,731,115.43x = 5,364,997,925,419,393
  5. Step 5: Solve for x
    x = 5,364,997,925,419,393/71,731,115.43
  6. Step 6: Final answer
    x = 74,793,175.79

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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.