Home / 275,190,456.06-379,758,023.91-149,738,419.86

Finding the Fourth Proportional to 275,190,456.06, 379,758,023.91 and 149,738,419.86

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Solution

The fourth proportional to 275,190,456.06, 379,758,023.91 and 149,738,419.86 is: 206,636,404.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,190,456.06 : 379,758,023.91 = 149,738,419.86 : x
  2. Step 2: Convert to fraction form
    275,190,456.06/379,758,023.91 = 149,738,419.86/x
  3. Step 3: Cross multiply
    275,190,456.06x = 379,758,023.91 × 149,738,419.86
  4. Step 4: Simplify right side
    275,190,456.06x = 56,864,366,429,439,512
  5. Step 5: Solve for x
    x = 56,864,366,429,439,512/275,190,456.06
  6. Step 6: Final answer
    x = 206,636,404.63

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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.