Home / 361,755,493.72-542,875,129.26-154,542,329.56

Finding the Fourth Proportional to 361,755,493.72, 542,875,129.26 and 154,542,329.56

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Solution

The fourth proportional to 361,755,493.72, 542,875,129.26 and 154,542,329.56 is: 231,916,829.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,755,493.72 : 542,875,129.26 = 154,542,329.56 : x
  2. Step 2: Convert to fraction form
    361,755,493.72/542,875,129.26 = 154,542,329.56/x
  3. Step 3: Cross multiply
    361,755,493.72x = 542,875,129.26 × 154,542,329.56
  4. Step 4: Simplify right side
    361,755,493.72x = 83,897,187,136,026,512
  5. Step 5: Solve for x
    x = 83,897,187,136,026,512/361,755,493.72
  6. Step 6: Final answer
    x = 231,916,829.44

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.