Home / 275,207,469.12-379,781,395.56-149,755,386.33

Finding the Fourth Proportional to 275,207,469.12, 379,781,395.56 and 149,755,386.33

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Solution

The fourth proportional to 275,207,469.12, 379,781,395.56 and 149,755,386.33 is: 206,659,760.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,207,469.12 : 379,781,395.56 = 149,755,386.33 : x
  2. Step 2: Convert to fraction form
    275,207,469.12/379,781,395.56 = 149,755,386.33/x
  3. Step 3: Cross multiply
    275,207,469.12x = 379,781,395.56 × 149,755,386.33
  4. Step 4: Simplify right side
    275,207,469.12x = 56,874,309,613,034,352
  5. Step 5: Solve for x
    x = 56,874,309,613,034,352/275,207,469.12
  6. Step 6: Final answer
    x = 206,659,760.34

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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.