Home / 80,452,003.55-120,678,005.33-29,335,689.95

Finding the Fourth Proportional to 80,452,003.55, 120,678,005.33 and 29,335,689.95

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Solution

The fourth proportional to 80,452,003.55, 120,678,005.33 and 29,335,689.95 is: 44,003,534.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,452,003.55 : 120,678,005.33 = 29,335,689.95 : x
  2. Step 2: Convert to fraction form
    80,452,003.55/120,678,005.33 = 29,335,689.95/x
  3. Step 3: Cross multiply
    80,452,003.55x = 120,678,005.33 × 29,335,689.95
  4. Step 4: Simplify right side
    80,452,003.55x = 3,540,172,548,145,327.50
  5. Step 5: Solve for x
    x = 3,540,172,548,145,327.50/80,452,003.55
  6. Step 6: Final answer
    x = 44,003,534.93

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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.