Home / 138,757,251.48-208,055,201.54-52,502,310.48

Finding the Fourth Proportional to 138,757,251.48, 208,055,201.54 and 52,502,310.48

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Solution

The fourth proportional to 138,757,251.48, 208,055,201.54 and 52,502,310.48 is: 78,722,940.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,757,251.48 : 208,055,201.54 = 52,502,310.48 : x
  2. Step 2: Convert to fraction form
    138,757,251.48/208,055,201.54 = 52,502,310.48/x
  3. Step 3: Cross multiply
    138,757,251.48x = 208,055,201.54 × 52,502,310.48
  4. Step 4: Simplify right side
    138,757,251.48x = 10,923,378,788,232,054
  5. Step 5: Solve for x
    x = 10,923,378,788,232,054/138,757,251.48
  6. Step 6: Final answer
    x = 78,722,940.04

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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.