Home / 259,376,454.33-389,064,201.78-84,499,279.53

Finding the Fourth Proportional to 259,376,454.33, 389,064,201.78 and 84,499,279.53

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Solution

The fourth proportional to 259,376,454.33, 389,064,201.78 and 84,499,279.53 is: 126,748,763.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,376,454.33 : 389,064,201.78 = 84,499,279.53 : x
  2. Step 2: Convert to fraction form
    259,376,454.33/389,064,201.78 = 84,499,279.53/x
  3. Step 3: Cross multiply
    259,376,454.33x = 389,064,201.78 × 84,499,279.53
  4. Step 4: Simplify right side
    259,376,454.33x = 32,875,644,741,324,540
  5. Step 5: Solve for x
    x = 32,875,644,741,324,540/259,376,454.33
  6. Step 6: Final answer
    x = 126,748,763.01

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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.