Home / 278,773,149.24-384,755,098.80-161,363,215.88

Finding the Fourth Proportional to 278,773,149.24, 384,755,098.80 and 161,363,215.88

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Solution

The fourth proportional to 278,773,149.24, 384,755,098.80 and 161,363,215.88 is: 222,709,110.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,773,149.24 : 384,755,098.80 = 161,363,215.88 : x
  2. Step 2: Convert to fraction form
    278,773,149.24/384,755,098.80 = 161,363,215.88/x
  3. Step 3: Cross multiply
    278,773,149.24x = 384,755,098.80 × 161,363,215.88
  4. Step 4: Simplify right side
    278,773,149.24x = 62,085,320,068,595,128
  5. Step 5: Solve for x
    x = 62,085,320,068,595,128/278,773,149.24
  6. Step 6: Final answer
    x = 222,709,110.39

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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.