Home / 72,229,974.24-108,278,695.26-31,263,615.12

Finding the Fourth Proportional to 72,229,974.24, 108,278,695.26 and 31,263,615.12

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Solution

The fourth proportional to 72,229,974.24, 108,278,695.26 and 31,263,615.12 is: 46,866,740.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,229,974.24 : 108,278,695.26 = 31,263,615.12 : x
  2. Step 2: Convert to fraction form
    72,229,974.24/108,278,695.26 = 31,263,615.12/x
  3. Step 3: Cross multiply
    72,229,974.24x = 108,278,695.26 × 31,263,615.12
  4. Step 4: Simplify right side
    72,229,974.24x = 3,385,183,454,304,408.50
  5. Step 5: Solve for x
    x = 3,385,183,454,304,408.50/72,229,974.24
  6. Step 6: Final answer
    x = 46,866,740.43

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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.