Home / 225,530,187.68-338,296,776.21-87,371,138.78

Finding the Fourth Proportional to 225,530,187.68, 338,296,776.21 and 87,371,138.78

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Solution

The fourth proportional to 225,530,187.68, 338,296,776.21 and 87,371,138.78 is: 131,057,287.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,530,187.68 : 338,296,776.21 = 87,371,138.78 : x
  2. Step 2: Convert to fraction form
    225,530,187.68/338,296,776.21 = 87,371,138.78/x
  3. Step 3: Cross multiply
    225,530,187.68x = 338,296,776.21 × 87,371,138.78
  4. Step 4: Simplify right side
    225,530,187.68x = 29,557,374,583,070,512
  5. Step 5: Solve for x
    x = 29,557,374,583,070,512/225,530,187.68
  6. Step 6: Final answer
    x = 131,057,287.22

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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.