Home / 439,536,720.20-659,305,080.30-132,876,163.40

Finding the Fourth Proportional to 439,536,720.20, 659,305,080.30 and 132,876,163.40

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Solution

The fourth proportional to 439,536,720.20, 659,305,080.30 and 132,876,163.40 is: 199,314,245.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,536,720.20 : 659,305,080.30 = 132,876,163.40 : x
  2. Step 2: Convert to fraction form
    439,536,720.20/659,305,080.30 = 132,876,163.40/x
  3. Step 3: Cross multiply
    439,536,720.20x = 659,305,080.30 × 132,876,163.40
  4. Step 4: Simplify right side
    439,536,720.20x = 87,605,929,580,392,912
  5. Step 5: Solve for x
    x = 87,605,929,580,392,912/439,536,720.20
  6. Step 6: Final answer
    x = 199,314,245.10

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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.