Home / 439,492,014.20-659,342,997.30-132,787,134.20

Finding the Fourth Proportional to 439,492,014.20, 659,342,997.30 and 132,787,134.20

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Solution

The fourth proportional to 439,492,014.20, 659,342,997.30 and 132,787,134.20 is: 199,212,418.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,492,014.20 : 659,342,997.30 = 132,787,134.20 : x
  2. Step 2: Convert to fraction form
    439,492,014.20/659,342,997.30 = 132,787,134.20/x
  3. Step 3: Cross multiply
    439,492,014.20x = 659,342,997.30 × 132,787,134.20
  4. Step 4: Simplify right side
    439,492,014.20x = 87,552,267,066,305,328
  5. Step 5: Solve for x
    x = 87,552,267,066,305,328/439,492,014.20
  6. Step 6: Final answer
    x = 199,212,418.51

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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.