Home / 131,098,511.48-196,647,767.21-80,080,175.48

Finding the Fourth Proportional to 131,098,511.48, 196,647,767.21 and 80,080,175.48

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Solution

The fourth proportional to 131,098,511.48, 196,647,767.21 and 80,080,175.48 is: 120,120,263.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,098,511.48 : 196,647,767.21 = 80,080,175.48 : x
  2. Step 2: Convert to fraction form
    131,098,511.48/196,647,767.21 = 80,080,175.48/x
  3. Step 3: Cross multiply
    131,098,511.48x = 196,647,767.21 × 80,080,175.48
  4. Step 4: Simplify right side
    131,098,511.48x = 15,747,587,705,143,950
  5. Step 5: Solve for x
    x = 15,747,587,705,143,950/131,098,511.48
  6. Step 6: Final answer
    x = 120,120,263.21

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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.