Home / 225,412,203.15-338,160,781.87-85,394,600.24

Finding the Fourth Proportional to 225,412,203.15, 338,160,781.87 and 85,394,600.24

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Solution

The fourth proportional to 225,412,203.15, 338,160,781.87 and 85,394,600.24 is: 128,107,992.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,412,203.15 : 338,160,781.87 = 85,394,600.24 : x
  2. Step 2: Convert to fraction form
    225,412,203.15/338,160,781.87 = 85,394,600.24/x
  3. Step 3: Cross multiply
    225,412,203.15x = 338,160,781.87 × 85,394,600.24
  4. Step 4: Simplify right side
    225,412,203.15x = 28,877,104,782,730,200
  5. Step 5: Solve for x
    x = 28,877,104,782,730,200/225,412,203.15
  6. Step 6: Final answer
    x = 128,107,992.29

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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.