Home / 126,002,508.90-173,921,893.83-73,092,587.28

Finding the Fourth Proportional to 126,002,508.90, 173,921,893.83 and 73,092,587.28

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Solution

The fourth proportional to 126,002,508.90, 173,921,893.83 and 73,092,587.28 is: 100,890,064.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,002,508.90 : 173,921,893.83 = 73,092,587.28 : x
  2. Step 2: Convert to fraction form
    126,002,508.90/173,921,893.83 = 73,092,587.28/x
  3. Step 3: Cross multiply
    126,002,508.90x = 173,921,893.83 × 73,092,587.28
  4. Step 4: Simplify right side
    126,002,508.90x = 12,712,401,204,672,170
  5. Step 5: Solve for x
    x = 12,712,401,204,672,170/126,002,508.90
  6. Step 6: Final answer
    x = 100,890,064.14

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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.