Home / 72,741,844.36-109,127,163.15-26,684,115.75

Finding the Fourth Proportional to 72,741,844.36, 109,127,163.15 and 26,684,115.75

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Solution

The fourth proportional to 72,741,844.36, 109,127,163.15 and 26,684,115.75 is: 40,031,454.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,741,844.36 : 109,127,163.15 = 26,684,115.75 : x
  2. Step 2: Convert to fraction form
    72,741,844.36/109,127,163.15 = 26,684,115.75/x
  3. Step 3: Cross multiply
    72,741,844.36x = 109,127,163.15 × 26,684,115.75
  4. Step 4: Simplify right side
    72,741,844.36x = 2,911,961,853,345,801
  5. Step 5: Solve for x
    x = 2,911,961,853,345,801/72,741,844.36
  6. Step 6: Final answer
    x = 40,031,454.78

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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.