Home / 87,835,147.92-131,780,256.60-52,858,426.53

Finding the Fourth Proportional to 87,835,147.92, 131,780,256.60 and 52,858,426.53

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Solution

The fourth proportional to 87,835,147.92, 131,780,256.60 and 52,858,426.53 is: 79,304,209.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,835,147.92 : 131,780,256.60 = 52,858,426.53 : x
  2. Step 2: Convert to fraction form
    87,835,147.92/131,780,256.60 = 52,858,426.53/x
  3. Step 3: Cross multiply
    87,835,147.92x = 131,780,256.60 × 52,858,426.53
  4. Step 4: Simplify right side
    87,835,147.92x = 6,965,697,011,595,647
  5. Step 5: Solve for x
    x = 6,965,697,011,595,647/87,835,147.92
  6. Step 6: Final answer
    x = 79,304,209.95

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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.