Home / 221,454,008.05-332,181,012.08-68,080,135.45

Finding the Fourth Proportional to 221,454,008.05, 332,181,012.08 and 68,080,135.45

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Solution

The fourth proportional to 221,454,008.05, 332,181,012.08 and 68,080,135.45 is: 102,120,203.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,454,008.05 : 332,181,012.08 = 68,080,135.45 : x
  2. Step 2: Convert to fraction form
    221,454,008.05/332,181,012.08 = 68,080,135.45/x
  3. Step 3: Cross multiply
    221,454,008.05x = 332,181,012.08 × 68,080,135.45
  4. Step 4: Simplify right side
    221,454,008.05x = 22,614,928,296,324,488
  5. Step 5: Solve for x
    x = 22,614,928,296,324,488/221,454,008.05
  6. Step 6: Final answer
    x = 102,120,203.18

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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.