Home / 122,005,016.08-182,951,704.56-72,843,180.64

Finding the Fourth Proportional to 122,005,016.08, 182,951,704.56 and 72,843,180.64

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Solution

The fourth proportional to 122,005,016.08, 182,951,704.56 and 72,843,180.64 is: 109,231,443.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,005,016.08 : 182,951,704.56 = 72,843,180.64 : x
  2. Step 2: Convert to fraction form
    122,005,016.08/182,951,704.56 = 72,843,180.64/x
  3. Step 3: Cross multiply
    122,005,016.08x = 182,951,704.56 × 72,843,180.64
  4. Step 4: Simplify right side
    122,005,016.08x = 13,326,784,063,659,992
  5. Step 5: Solve for x
    x = 13,326,784,063,659,992/122,005,016.08
  6. Step 6: Final answer
    x = 109,231,443.85

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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.