Home / 68,761,595.07-103,131,175.68-20,228,102.37

Finding the Fourth Proportional to 68,761,595.07, 103,131,175.68 and 20,228,102.37

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Solution

The fourth proportional to 68,761,595.07, 103,131,175.68 and 20,228,102.37 is: 30,338,853.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,761,595.07 : 103,131,175.68 = 20,228,102.37 : x
  2. Step 2: Convert to fraction form
    68,761,595.07/103,131,175.68 = 20,228,102.37/x
  3. Step 3: Cross multiply
    68,761,595.07x = 103,131,175.68 × 20,228,102.37
  4. Step 4: Simplify right side
    68,761,595.07x = 2,086,147,979,193,494.50
  5. Step 5: Solve for x
    x = 2,086,147,979,193,494.50/68,761,595.07
  6. Step 6: Final answer
    x = 30,338,853.79

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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.