Home / 275,207,468.37-379,781,394.53-149,755,385.58

Finding the Fourth Proportional to 275,207,468.37, 379,781,394.53 and 149,755,385.58

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Solution

The fourth proportional to 275,207,468.37, 379,781,394.53 and 149,755,385.58 is: 206,659,759.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,207,468.37 : 379,781,394.53 = 149,755,385.58 : x
  2. Step 2: Convert to fraction form
    275,207,468.37/379,781,394.53 = 149,755,385.58/x
  3. Step 3: Cross multiply
    275,207,468.37x = 379,781,394.53 × 149,755,385.58
  4. Step 4: Simplify right side
    275,207,468.37x = 56,874,309,173,201,480
  5. Step 5: Solve for x
    x = 56,874,309,173,201,480/275,207,468.37
  6. Step 6: Final answer
    x = 206,659,759.31

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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.