Home / 275,207,472.12-379,781,399.70-149,755,389.33

Finding the Fourth Proportional to 275,207,472.12, 379,781,399.70 and 149,755,389.33

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Solution

The fourth proportional to 275,207,472.12, 379,781,399.70 and 149,755,389.33 is: 206,659,764.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,207,472.12 : 379,781,399.70 = 149,755,389.33 : x
  2. Step 2: Convert to fraction form
    275,207,472.12/379,781,399.70 = 149,755,389.33/x
  3. Step 3: Cross multiply
    275,207,472.12x = 379,781,399.70 × 149,755,389.33
  4. Step 4: Simplify right side
    275,207,472.12x = 56,874,311,372,365,848
  5. Step 5: Solve for x
    x = 56,874,311,372,365,848/275,207,472.12
  6. Step 6: Final answer
    x = 206,659,764.48

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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.