Home / 218,266,109.20-327,399,163.80-131,960,090.80

Finding the Fourth Proportional to 218,266,109.20, 327,399,163.80 and 131,960,090.80

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Solution

The fourth proportional to 218,266,109.20, 327,399,163.80 and 131,960,090.80 is: 197,940,136.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,266,109.20 : 327,399,163.80 = 131,960,090.80 : x
  2. Step 2: Convert to fraction form
    218,266,109.20/327,399,163.80 = 131,960,090.80/x
  3. Step 3: Cross multiply
    218,266,109.20x = 327,399,163.80 × 131,960,090.80
  4. Step 4: Simplify right side
    218,266,109.20x = 43,203,623,382,892,072
  5. Step 5: Solve for x
    x = 43,203,623,382,892,072/218,266,109.20
  6. Step 6: Final answer
    x = 197,940,136.20

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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.