Home / 87,309,719.34-120,487,532.18-47,617,346.04

Finding the Fourth Proportional to 87,309,719.34, 120,487,532.18 and 47,617,346.04

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Solution

The fourth proportional to 87,309,719.34, 120,487,532.18 and 47,617,346.04 is: 65,712,002.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,309,719.34 : 120,487,532.18 = 47,617,346.04 : x
  2. Step 2: Convert to fraction form
    87,309,719.34/120,487,532.18 = 47,617,346.04/x
  3. Step 3: Cross multiply
    87,309,719.34x = 120,487,532.18 × 47,617,346.04
  4. Step 4: Simplify right side
    87,309,719.34x = 5,737,296,513,320,696
  5. Step 5: Solve for x
    x = 5,737,296,513,320,696/87,309,719.34
  6. Step 6: Final answer
    x = 65,712,002.70

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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.