Home / 221,454,016.80-332,181,025.20-68,080,144.20

Finding the Fourth Proportional to 221,454,016.80, 332,181,025.20 and 68,080,144.20

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Solution

The fourth proportional to 221,454,016.80, 332,181,025.20 and 68,080,144.20 is: 102,120,216.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,454,016.80 : 332,181,025.20 = 68,080,144.20 : x
  2. Step 2: Convert to fraction form
    221,454,016.80/332,181,025.20 = 68,080,144.20/x
  3. Step 3: Cross multiply
    221,454,016.80x = 332,181,025.20 × 68,080,144.20
  4. Step 4: Simplify right side
    221,454,016.80x = 22,614,932,096,119,836
  5. Step 5: Solve for x
    x = 22,614,932,096,119,836/221,454,016.80
  6. Step 6: Final answer
    x = 102,120,216.30

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1.5x scale

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.