Home / 281,900,961.12-422,801,046.72-179,360,404.32

Finding the Fourth Proportional to 281,900,961.12, 422,801,046.72 and 179,360,404.32

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Solution

The fourth proportional to 281,900,961.12, 422,801,046.72 and 179,360,404.32 is: 269,008,542.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,900,961.12 : 422,801,046.72 = 179,360,404.32 : x
  2. Step 2: Convert to fraction form
    281,900,961.12/422,801,046.72 = 179,360,404.32/x
  3. Step 3: Cross multiply
    281,900,961.12x = 422,801,046.72 × 179,360,404.32
  4. Step 4: Simplify right side
    281,900,961.12x = 75,833,766,686,618,416
  5. Step 5: Solve for x
    x = 75,833,766,686,618,416/281,900,961.12
  6. Step 6: Final answer
    x = 269,008,542.52

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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.