Home / 87,000,373.19-120,063,630.17-47,845,178.12

Finding the Fourth Proportional to 87,000,373.19, 120,063,630.17 and 47,845,178.12

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Solution

The fourth proportional to 87,000,373.19, 120,063,630.17 and 47,845,178.12 is: 66,028,058.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,000,373.19 : 120,063,630.17 = 47,845,178.12 : x
  2. Step 2: Convert to fraction form
    87,000,373.19/120,063,630.17 = 47,845,178.12/x
  3. Step 3: Cross multiply
    87,000,373.19x = 120,063,630.17 × 47,845,178.12
  4. Step 4: Simplify right side
    87,000,373.19x = 5,744,465,771,217,456
  5. Step 5: Solve for x
    x = 5,744,465,771,217,456/87,000,373.19
  6. Step 6: Final answer
    x = 66,028,058.97

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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.