Home / 100,240,843.48-138,325,402.55-55,589,118.89

Finding the Fourth Proportional to 100,240,843.48, 138,325,402.55 and 55,589,118.89

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Solution

The fourth proportional to 100,240,843.48, 138,325,402.55 and 55,589,118.89 is: 76,709,123.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,240,843.48 : 138,325,402.55 = 55,589,118.89 : x
  2. Step 2: Convert to fraction form
    100,240,843.48/138,325,402.55 = 55,589,118.89/x
  3. Step 3: Cross multiply
    100,240,843.48x = 138,325,402.55 × 55,589,118.89
  4. Step 4: Simplify right side
    100,240,843.48x = 7,689,387,247,306,405
  5. Step 5: Solve for x
    x = 7,689,387,247,306,405/100,240,843.48
  6. Step 6: Final answer
    x = 76,709,123.55

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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.