Home / 80,232,023.10-120,348,034.65-74,811,324.90

Finding the Fourth Proportional to 80,232,023.10, 120,348,034.65 and 74,811,324.90

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Solution

The fourth proportional to 80,232,023.10, 120,348,034.65 and 74,811,324.90 is: 112,216,987.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,232,023.10 : 120,348,034.65 = 74,811,324.90 : x
  2. Step 2: Convert to fraction form
    80,232,023.10/120,348,034.65 = 74,811,324.90/x
  3. Step 3: Cross multiply
    80,232,023.10x = 120,348,034.65 × 74,811,324.90
  4. Step 4: Simplify right side
    80,232,023.10x = 9,003,395,921,277,609
  5. Step 5: Solve for x
    x = 9,003,395,921,277,609/80,232,023.10
  6. Step 6: Final answer
    x = 112,216,987.35

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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.