Home / 87,972,507.72-131,954,469.60-32,651,107.20

Finding the Fourth Proportional to 87,972,507.72, 131,954,469.60 and 32,651,107.20

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Solution

The fourth proportional to 87,972,507.72, 131,954,469.60 and 32,651,107.20 is: 48,975,067.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,972,507.72 : 131,954,469.60 = 32,651,107.20 : x
  2. Step 2: Convert to fraction form
    87,972,507.72/131,954,469.60 = 32,651,107.20/x
  3. Step 3: Cross multiply
    87,972,507.72x = 131,954,469.60 × 32,651,107.20
  4. Step 4: Simplify right side
    87,972,507.72x = 4,308,459,532,428,741
  5. Step 5: Solve for x
    x = 4,308,459,532,428,741/87,972,507.72
  6. Step 6: Final answer
    x = 48,975,067.83

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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.