Home / 239,765,560.83-330,876,469.92-129,757,273.83

Finding the Fourth Proportional to 239,765,560.83, 330,876,469.92 and 129,757,273.83

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Solution

The fourth proportional to 239,765,560.83, 330,876,469.92 and 129,757,273.83 is: 179,065,035.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,765,560.83 : 330,876,469.92 = 129,757,273.83 : x
  2. Step 2: Convert to fraction form
    239,765,560.83/330,876,469.92 = 129,757,273.83/x
  3. Step 3: Cross multiply
    239,765,560.83x = 330,876,469.92 × 129,757,273.83
  4. Step 4: Simplify right side
    239,765,560.83x = 42,933,628,711,313,200
  5. Step 5: Solve for x
    x = 42,933,628,711,313,200/239,765,560.83
  6. Step 6: Final answer
    x = 179,065,035.71

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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.