Home / 131,328,131.20-196,992,196.80-88,329,961.60

Finding the Fourth Proportional to 131,328,131.20, 196,992,196.80 and 88,329,961.60

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Solution

The fourth proportional to 131,328,131.20, 196,992,196.80 and 88,329,961.60 is: 132,494,942.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,328,131.20 : 196,992,196.80 = 88,329,961.60 : x
  2. Step 2: Convert to fraction form
    131,328,131.20/196,992,196.80 = 88,329,961.60/x
  3. Step 3: Cross multiply
    131,328,131.20x = 196,992,196.80 × 88,329,961.60
  4. Step 4: Simplify right side
    131,328,131.20x = 17,400,313,178,843,642
  5. Step 5: Solve for x
    x = 17,400,313,178,843,642/131,328,131.20
  6. Step 6: Final answer
    x = 132,494,942.40

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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.