Home / 261,491,421.33-360,874,481.90-144,016,720.43

Finding the Fourth Proportional to 261,491,421.33, 360,874,481.90 and 144,016,720.43

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Solution

The fourth proportional to 261,491,421.33, 360,874,481.90 and 144,016,720.43 is: 198,752,062.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,491,421.33 : 360,874,481.90 = 144,016,720.43 : x
  2. Step 2: Convert to fraction form
    261,491,421.33/360,874,481.90 = 144,016,720.43/x
  3. Step 3: Cross multiply
    261,491,421.33x = 360,874,481.90 × 144,016,720.43
  4. Step 4: Simplify right side
    261,491,421.33x = 51,971,959,367,588,944
  5. Step 5: Solve for x
    x = 51,971,959,367,588,944/261,491,421.33
  6. Step 6: Final answer
    x = 198,752,062.70

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.