Home / 266,780,268.05-400,190,584.29-82,566,375.98

Finding the Fourth Proportional to 266,780,268.05, 400,190,584.29 and 82,566,375.98

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Solution

The fourth proportional to 266,780,268.05, 400,190,584.29 and 82,566,375.98 is: 123,855,810.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,780,268.05 : 400,190,584.29 = 82,566,375.98 : x
  2. Step 2: Convert to fraction form
    266,780,268.05/400,190,584.29 = 82,566,375.98/x
  3. Step 3: Cross multiply
    266,780,268.05x = 400,190,584.29 × 82,566,375.98
  4. Step 4: Simplify right side
    266,780,268.05x = 33,042,286,244,143,068
  5. Step 5: Solve for x
    x = 33,042,286,244,143,068/266,780,268.05
  6. Step 6: Final answer
    x = 123,855,810.20

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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.