Home / 154,548,005.20-231,822,007.80-109,198,373.20

Finding the Fourth Proportional to 154,548,005.20, 231,822,007.80 and 109,198,373.20

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Solution

The fourth proportional to 154,548,005.20, 231,822,007.80 and 109,198,373.20 is: 163,797,559.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,548,005.20 : 231,822,007.80 = 109,198,373.20 : x
  2. Step 2: Convert to fraction form
    154,548,005.20/231,822,007.80 = 109,198,373.20/x
  3. Step 3: Cross multiply
    154,548,005.20x = 231,822,007.80 × 109,198,373.20
  4. Step 4: Simplify right side
    154,548,005.20x = 25,314,586,123,717,712
  5. Step 5: Solve for x
    x = 25,314,586,123,717,712/154,548,005.20
  6. Step 6: Final answer
    x = 163,797,559.80

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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.