Home / 221,336,985.48-332,120,380.81-90,275,414.14

Finding the Fourth Proportional to 221,336,985.48, 332,120,380.81 and 90,275,414.14

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Solution

The fourth proportional to 221,336,985.48, 332,120,380.81 and 90,275,414.14 is: 135,459,985.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,336,985.48 : 332,120,380.81 = 90,275,414.14 : x
  2. Step 2: Convert to fraction form
    221,336,985.48/332,120,380.81 = 90,275,414.14/x
  3. Step 3: Cross multiply
    221,336,985.48x = 332,120,380.81 × 90,275,414.14
  4. Step 4: Simplify right side
    221,336,985.48x = 29,982,304,921,957,260
  5. Step 5: Solve for x
    x = 29,982,304,921,957,260/221,336,985.48
  6. Step 6: Final answer
    x = 135,459,985.85

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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.