Home / 196,347,805.20-270,960,789.60-108,239,867.28

Finding the Fourth Proportional to 196,347,805.20, 270,960,789.60 and 108,239,867.28

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Solution

The fourth proportional to 196,347,805.20, 270,960,789.60 and 108,239,867.28 is: 149,371,468.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,347,805.20 : 270,960,789.60 = 108,239,867.28 : x
  2. Step 2: Convert to fraction form
    196,347,805.20/270,960,789.60 = 108,239,867.28/x
  3. Step 3: Cross multiply
    196,347,805.20x = 270,960,789.60 × 108,239,867.28
  4. Step 4: Simplify right side
    196,347,805.20x = 29,328,759,904,388,008
  5. Step 5: Solve for x
    x = 29,328,759,904,388,008/196,347,805.20
  6. Step 6: Final answer
    x = 149,371,468.02

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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.