Home / 223,987,708.86-309,104,359.38-129,957,844.20

Finding the Fourth Proportional to 223,987,708.86, 309,104,359.38 and 129,957,844.20

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Solution

The fourth proportional to 223,987,708.86, 309,104,359.38 and 129,957,844.20 is: 179,342,591.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,987,708.86 : 309,104,359.38 = 129,957,844.20 : x
  2. Step 2: Convert to fraction form
    223,987,708.86/309,104,359.38 = 129,957,844.20/x
  3. Step 3: Cross multiply
    223,987,708.86x = 309,104,359.38 × 129,957,844.20
  4. Step 4: Simplify right side
    223,987,708.86x = 40,170,536,177,846,848
  5. Step 5: Solve for x
    x = 40,170,536,177,846,848/223,987,708.86
  6. Step 6: Final answer
    x = 179,342,591.53

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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.