Home / 83,026,679.36-124,540,462.40-54,453,753.92

Finding the Fourth Proportional to 83,026,679.36, 124,540,462.40 and 54,453,753.92

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Solution

The fourth proportional to 83,026,679.36, 124,540,462.40 and 54,453,753.92 is: 81,680,921.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,026,679.36 : 124,540,462.40 = 54,453,753.92 : x
  2. Step 2: Convert to fraction form
    83,026,679.36/124,540,462.40 = 54,453,753.92/x
  3. Step 3: Cross multiply
    83,026,679.36x = 124,540,462.40 × 54,453,753.92
  4. Step 4: Simplify right side
    83,026,679.36x = 6,781,695,692,612,613
  5. Step 5: Solve for x
    x = 6,781,695,692,612,613/83,026,679.36
  6. Step 6: Final answer
    x = 81,680,921.66

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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.