Home / 111,471,335.80-167,207,003.70-72,729,286.90

Finding the Fourth Proportional to 111,471,335.80, 167,207,003.70 and 72,729,286.90

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Solution

The fourth proportional to 111,471,335.80, 167,207,003.70 and 72,729,286.90 is: 109,093,930.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,471,335.80 : 167,207,003.70 = 72,729,286.90 : x
  2. Step 2: Convert to fraction form
    111,471,335.80/167,207,003.70 = 72,729,286.90/x
  3. Step 3: Cross multiply
    111,471,335.80x = 167,207,003.70 × 72,729,286.90
  4. Step 4: Simplify right side
    111,471,335.80x = 12,160,846,143,786,662
  5. Step 5: Solve for x
    x = 12,160,846,143,786,662/111,471,335.80
  6. Step 6: Final answer
    x = 109,093,930.35

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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.