Home / 133,022,141.90-199,599,568.05-75,558,538.70

Finding the Fourth Proportional to 133,022,141.90, 199,599,568.05 and 75,558,538.70

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Solution

The fourth proportional to 133,022,141.90, 199,599,568.05 and 75,558,538.70 is: 113,375,498.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,022,141.90 : 199,599,568.05 = 75,558,538.70 : x
  2. Step 2: Convert to fraction form
    133,022,141.90/199,599,568.05 = 75,558,538.70/x
  3. Step 3: Cross multiply
    133,022,141.90x = 199,599,568.05 × 75,558,538.70
  4. Step 4: Simplify right side
    133,022,141.90x = 15,081,451,687,009,210
  5. Step 5: Solve for x
    x = 15,081,451,687,009,210/133,022,141.90
  6. Step 6: Final answer
    x = 113,375,498.78

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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.