Home / 87,378,572.20-131,151,839.10-44,296,421.80

Finding the Fourth Proportional to 87,378,572.20, 131,151,839.10 and 44,296,421.80

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Solution

The fourth proportional to 87,378,572.20, 131,151,839.10 and 44,296,421.80 is: 66,487,206.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,378,572.20 : 131,151,839.10 = 44,296,421.80 : x
  2. Step 2: Convert to fraction form
    87,378,572.20/131,151,839.10 = 44,296,421.80/x
  3. Step 3: Cross multiply
    87,378,572.20x = 131,151,839.10 × 44,296,421.80
  4. Step 4: Simplify right side
    87,378,572.20x = 5,809,557,184,619,332
  5. Step 5: Solve for x
    x = 5,809,557,184,619,332/87,378,572.20
  6. Step 6: Final answer
    x = 66,487,206.63

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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.