Home / 80,452,987.30-120,679,480.95-48,204,360.10

Finding the Fourth Proportional to 80,452,987.30, 120,679,480.95 and 48,204,360.10

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Solution

The fourth proportional to 80,452,987.30, 120,679,480.95 and 48,204,360.10 is: 72,306,540.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,452,987.30 : 120,679,480.95 = 48,204,360.10 : x
  2. Step 2: Convert to fraction form
    80,452,987.30/120,679,480.95 = 48,204,360.10/x
  3. Step 3: Cross multiply
    80,452,987.30x = 120,679,480.95 × 48,204,360.10
  4. Step 4: Simplify right side
    80,452,987.30x = 5,817,277,156,394,890
  5. Step 5: Solve for x
    x = 5,817,277,156,394,890/80,452,987.30
  6. Step 6: Final answer
    x = 72,306,540.15

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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.