Home / 105,544,198.28-158,141,195.30-74,685,781.64

Finding the Fourth Proportional to 105,544,198.28, 158,141,195.30 and 74,685,781.64

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Solution

The fourth proportional to 105,544,198.28, 158,141,195.30 and 74,685,781.64 is: 111,904,765.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,544,198.28 : 158,141,195.30 = 74,685,781.64 : x
  2. Step 2: Convert to fraction form
    105,544,198.28/158,141,195.30 = 74,685,781.64/x
  3. Step 3: Cross multiply
    105,544,198.28x = 158,141,195.30 × 74,685,781.64
  4. Step 4: Simplify right side
    105,544,198.28x = 11,810,898,780,464,396
  5. Step 5: Solve for x
    x = 11,810,898,780,464,396/105,544,198.28
  6. Step 6: Final answer
    x = 111,904,765.71

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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.