Home / 131,328,131.60-196,992,197.40-40,439,910.80

Finding the Fourth Proportional to 131,328,131.60, 196,992,197.40 and 40,439,910.80

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Solution

The fourth proportional to 131,328,131.60, 196,992,197.40 and 40,439,910.80 is: 60,659,866.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,328,131.60 : 196,992,197.40 = 40,439,910.80 : x
  2. Step 2: Convert to fraction form
    131,328,131.60/196,992,197.40 = 40,439,910.80/x
  3. Step 3: Cross multiply
    131,328,131.60x = 196,992,197.40 × 40,439,910.80
  4. Step 4: Simplify right side
    131,328,131.60x = 7,966,346,891,151,992
  5. Step 5: Solve for x
    x = 7,966,346,891,151,992/131,328,131.60
  6. Step 6: Final answer
    x = 60,659,866.20

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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.