Home / 80,351,610.12-120,542,928.30-34,292,806.92

Finding the Fourth Proportional to 80,351,610.12, 120,542,928.30 and 34,292,806.92

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Solution

The fourth proportional to 80,351,610.12, 120,542,928.30 and 34,292,806.92 is: 51,445,831.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,351,610.12 : 120,542,928.30 = 34,292,806.92 : x
  2. Step 2: Convert to fraction form
    80,351,610.12/120,542,928.30 = 34,292,806.92/x
  3. Step 3: Cross multiply
    80,351,610.12x = 120,542,928.30 × 34,292,806.92
  4. Step 4: Simplify right side
    80,351,610.12x = 4,133,755,365,763,304
  5. Step 5: Solve for x
    x = 4,133,755,365,763,304/80,351,610.12
  6. Step 6: Final answer
    x = 51,445,831.14

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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.