Home / 101,315,520.10-139,815,537.27-54,905,773.90

Finding the Fourth Proportional to 101,315,520.10, 139,815,537.27 and 54,905,773.90

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Solution

The fourth proportional to 101,315,520.10, 139,815,537.27 and 54,905,773.90 is: 75,770,032.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,315,520.10 : 139,815,537.27 = 54,905,773.90 : x
  2. Step 2: Convert to fraction form
    101,315,520.10/139,815,537.27 = 54,905,773.90/x
  3. Step 3: Cross multiply
    101,315,520.10x = 139,815,537.27 × 54,905,773.90
  4. Step 4: Simplify right side
    101,315,520.10x = 7,676,680,277,053,644
  5. Step 5: Solve for x
    x = 7,676,680,277,053,644/101,315,520.10
  6. Step 6: Final answer
    x = 75,770,032.76

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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.