Home / 80,451,987.55-120,677,981.33-29,335,673.95

Finding the Fourth Proportional to 80,451,987.55, 120,677,981.33 and 29,335,673.95

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Solution

The fourth proportional to 80,451,987.55, 120,677,981.33 and 29,335,673.95 is: 44,003,510.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,451,987.55 : 120,677,981.33 = 29,335,673.95 : x
  2. Step 2: Convert to fraction form
    80,451,987.55/120,677,981.33 = 29,335,673.95/x
  3. Step 3: Cross multiply
    80,451,987.55x = 120,677,981.33 × 29,335,673.95
  4. Step 4: Simplify right side
    80,451,987.55x = 3,540,169,913,241,067
  5. Step 5: Solve for x
    x = 3,540,169,913,241,067/80,451,987.55
  6. Step 6: Final answer
    x = 44,003,510.93

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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.