Home / 408,170,760.30-612,255,352.95-101,463,168.42

Finding the Fourth Proportional to 408,170,760.30, 612,255,352.95 and 101,463,168.42

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Solution

The fourth proportional to 408,170,760.30, 612,255,352.95 and 101,463,168.42 is: 152,194,556.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,170,760.30 : 612,255,352.95 = 101,463,168.42 : x
  2. Step 2: Convert to fraction form
    408,170,760.30/612,255,352.95 = 101,463,168.42/x
  3. Step 3: Cross multiply
    408,170,760.30x = 612,255,352.95 × 101,463,168.42
  4. Step 4: Simplify right side
    408,170,760.30x = 62,121,367,992,412,400
  5. Step 5: Solve for x
    x = 62,121,367,992,412,400/408,170,760.30
  6. Step 6: Final answer
    x = 152,194,556.87

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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.