Home / 131,098,467.60-196,647,701.40-80,080,131.60

Finding the Fourth Proportional to 131,098,467.60, 196,647,701.40 and 80,080,131.60

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Solution

The fourth proportional to 131,098,467.60, 196,647,701.40 and 80,080,131.60 is: 120,120,197.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,098,467.60 : 196,647,701.40 = 80,080,131.60 : x
  2. Step 2: Convert to fraction form
    131,098,467.60/196,647,701.40 = 80,080,131.60/x
  3. Step 3: Cross multiply
    131,098,467.60x = 196,647,701.40 × 80,080,131.60
  4. Step 4: Simplify right side
    131,098,467.60x = 15,747,573,806,949,504
  5. Step 5: Solve for x
    x = 15,747,573,806,949,504/131,098,467.60
  6. Step 6: Final answer
    x = 120,120,197.40

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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.