Home / 192,011,040.80-288,016,561.20-140,992,704.80

Finding the Fourth Proportional to 192,011,040.80, 288,016,561.20 and 140,992,704.80

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Solution

The fourth proportional to 192,011,040.80, 288,016,561.20 and 140,992,704.80 is: 211,489,057.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,011,040.80 : 288,016,561.20 = 140,992,704.80 : x
  2. Step 2: Convert to fraction form
    192,011,040.80/288,016,561.20 = 140,992,704.80/x
  3. Step 3: Cross multiply
    192,011,040.80x = 288,016,561.20 × 140,992,704.80
  4. Step 4: Simplify right side
    192,011,040.80x = 40,608,233,990,782,736
  5. Step 5: Solve for x
    x = 40,608,233,990,782,736/192,011,040.80
  6. Step 6: Final answer
    x = 211,489,057.20

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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.