Home / 394,309,039.60-591,407,572.20-135,536,201.20

Finding the Fourth Proportional to 394,309,039.60, 591,407,572.20 and 135,536,201.20

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Solution

The fourth proportional to 394,309,039.60, 591,407,572.20 and 135,536,201.20 is: 203,285,057.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,309,039.60 : 591,407,572.20 = 135,536,201.20 : x
  2. Step 2: Convert to fraction form
    394,309,039.60/591,407,572.20 = 135,536,201.20/x
  3. Step 3: Cross multiply
    394,309,039.60x = 591,407,572.20 × 135,536,201.20
  4. Step 4: Simplify right side
    394,309,039.60x = 80,157,135,696,902,720
  5. Step 5: Solve for x
    x = 80,157,135,696,902,720/394,309,039.60
  6. Step 6: Final answer
    x = 203,285,057.27

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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.