Home / 221,454,004.80-332,181,007.20-68,080,132.20

Finding the Fourth Proportional to 221,454,004.80, 332,181,007.20 and 68,080,132.20

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Solution

The fourth proportional to 221,454,004.80, 332,181,007.20 and 68,080,132.20 is: 102,120,198.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,454,004.80 : 332,181,007.20 = 68,080,132.20 : x
  2. Step 2: Convert to fraction form
    221,454,004.80/332,181,007.20 = 68,080,132.20/x
  3. Step 3: Cross multiply
    221,454,004.80x = 332,181,007.20 × 68,080,132.20
  4. Step 4: Simplify right side
    221,454,004.80x = 22,614,926,884,505,152
  5. Step 5: Solve for x
    x = 22,614,926,884,505,152/221,454,004.80
  6. Step 6: Final answer
    x = 102,120,198.30

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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.