Home / 218,304,081.20-327,456,121.80-109,146,099.80

Finding the Fourth Proportional to 218,304,081.20, 327,456,121.80 and 109,146,099.80

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Solution

The fourth proportional to 218,304,081.20, 327,456,121.80 and 109,146,099.80 is: 163,719,149.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,304,081.20 : 327,456,121.80 = 109,146,099.80 : x
  2. Step 2: Convert to fraction form
    218,304,081.20/327,456,121.80 = 109,146,099.80/x
  3. Step 3: Cross multiply
    218,304,081.20x = 327,456,121.80 × 109,146,099.80
  4. Step 4: Simplify right side
    218,304,081.20x = 35,740,558,550,103,756
  5. Step 5: Solve for x
    x = 35,740,558,550,103,756/218,304,081.20
  6. Step 6: Final answer
    x = 163,719,149.70

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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.