Home / 133,055,998.60-199,583,997.90-75,725,105.80

Finding the Fourth Proportional to 133,055,998.60, 199,583,997.90 and 75,725,105.80

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Solution

The fourth proportional to 133,055,998.60, 199,583,997.90 and 75,725,105.80 is: 113,587,658.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,055,998.60 : 199,583,997.90 = 75,725,105.80 : x
  2. Step 2: Convert to fraction form
    133,055,998.60/199,583,997.90 = 75,725,105.80/x
  3. Step 3: Cross multiply
    133,055,998.60x = 199,583,997.90 × 75,725,105.80
  4. Step 4: Simplify right side
    133,055,998.60x = 15,113,519,356,964,478
  5. Step 5: Solve for x
    x = 15,113,519,356,964,478/133,055,998.60
  6. Step 6: Final answer
    x = 113,587,658.70

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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.