Home / 80,458,324.30-120,687,486.45-29,342,010.70

Finding the Fourth Proportional to 80,458,324.30, 120,687,486.45 and 29,342,010.70

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Solution

The fourth proportional to 80,458,324.30, 120,687,486.45 and 29,342,010.70 is: 44,013,016.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,458,324.30 : 120,687,486.45 = 29,342,010.70 : x
  2. Step 2: Convert to fraction form
    80,458,324.30/120,687,486.45 = 29,342,010.70/x
  3. Step 3: Cross multiply
    80,458,324.30x = 120,687,486.45 × 29,342,010.70
  4. Step 4: Simplify right side
    80,458,324.30x = 3,541,213,518,772,005
  5. Step 5: Solve for x
    x = 3,541,213,518,772,005/80,458,324.30
  6. Step 6: Final answer
    x = 44,013,016.05

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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.