Home / 439,589,066.40-659,383,599.60-132,841,321.20

Finding the Fourth Proportional to 439,589,066.40, 659,383,599.60 and 132,841,321.20

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Solution

The fourth proportional to 439,589,066.40, 659,383,599.60 and 132,841,321.20 is: 199,261,981.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,589,066.40 : 659,383,599.60 = 132,841,321.20 : x
  2. Step 2: Convert to fraction form
    439,589,066.40/659,383,599.60 = 132,841,321.20/x
  3. Step 3: Cross multiply
    439,589,066.40x = 659,383,599.60 × 132,841,321.20
  4. Step 4: Simplify right side
    439,589,066.40x = 87,593,388,548,475,792
  5. Step 5: Solve for x
    x = 87,593,388,548,475,792/439,589,066.40
  6. Step 6: Final answer
    x = 199,261,981.80

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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.