Home / 151,715,072.28-209,366,799.66-82,100,453.88

Finding the Fourth Proportional to 151,715,072.28, 209,366,799.66 and 82,100,453.88

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Solution

The fourth proportional to 151,715,072.28, 209,366,799.66 and 82,100,453.88 is: 113,298,626.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,715,072.28 : 209,366,799.66 = 82,100,453.88 : x
  2. Step 2: Convert to fraction form
    151,715,072.28/209,366,799.66 = 82,100,453.88/x
  3. Step 3: Cross multiply
    151,715,072.28x = 209,366,799.66 × 82,100,453.88
  4. Step 4: Simplify right side
    151,715,072.28x = 17,189,109,279,489,028
  5. Step 5: Solve for x
    x = 17,189,109,279,489,028/151,715,072.28
  6. Step 6: Final answer
    x = 113,298,626.31

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.