Home / 154,292,127.76-231,438,191.64-73,267,451.92

Finding the Fourth Proportional to 154,292,127.76, 231,438,191.64 and 73,267,451.92

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Solution

The fourth proportional to 154,292,127.76, 231,438,191.64 and 73,267,451.92 is: 109,901,177.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,292,127.76 : 231,438,191.64 = 73,267,451.92 : x
  2. Step 2: Convert to fraction form
    154,292,127.76/231,438,191.64 = 73,267,451.92/x
  3. Step 3: Cross multiply
    154,292,127.76x = 231,438,191.64 × 73,267,451.92
  4. Step 4: Simplify right side
    154,292,127.76x = 16,956,886,578,435,446
  5. Step 5: Solve for x
    x = 16,956,886,578,435,446/154,292,127.76
  6. Step 6: Final answer
    x = 109,901,177.88

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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.