Home / 87,232,390.72-120,381,177.18-50,059,715.20

Finding the Fourth Proportional to 87,232,390.72, 120,381,177.18 and 50,059,715.20

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Solution

The fourth proportional to 87,232,390.72, 120,381,177.18 and 50,059,715.20 is: 69,082,681.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,232,390.72 : 120,381,177.18 = 50,059,715.20 : x
  2. Step 2: Convert to fraction form
    87,232,390.72/120,381,177.18 = 50,059,715.20/x
  3. Step 3: Cross multiply
    87,232,390.72x = 120,381,177.18 × 50,059,715.20
  4. Step 4: Simplify right side
    87,232,390.72x = 6,026,247,445,071,540
  5. Step 5: Solve for x
    x = 6,026,247,445,071,540/87,232,390.72
  6. Step 6: Final answer
    x = 69,082,681.28

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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.