Home / 147,040,342.80-220,560,514.20-140,344,186.20

Finding the Fourth Proportional to 147,040,342.80, 220,560,514.20 and 140,344,186.20

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Solution

The fourth proportional to 147,040,342.80, 220,560,514.20 and 140,344,186.20 is: 210,516,279.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,040,342.80 : 220,560,514.20 = 140,344,186.20 : x
  2. Step 2: Convert to fraction form
    147,040,342.80/220,560,514.20 = 140,344,186.20/x
  3. Step 3: Cross multiply
    147,040,342.80x = 220,560,514.20 × 140,344,186.20
  4. Step 4: Simplify right side
    147,040,342.80x = 30,954,385,873,252,540
  5. Step 5: Solve for x
    x = 30,954,385,873,252,540/147,040,342.80
  6. Step 6: Final answer
    x = 210,516,279.30

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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.