Home / 227,541,175.72-313,891,140.24-138,209,348.04

Finding the Fourth Proportional to 227,541,175.72, 313,891,140.24 and 138,209,348.04

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Solution

The fourth proportional to 227,541,175.72, 313,891,140.24 and 138,209,348.04 is: 190,658,634.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,541,175.72 : 313,891,140.24 = 138,209,348.04 : x
  2. Step 2: Convert to fraction form
    227,541,175.72/313,891,140.24 = 138,209,348.04/x
  3. Step 3: Cross multiply
    227,541,175.72x = 313,891,140.24 × 138,209,348.04
  4. Step 4: Simplify right side
    227,541,175.72x = 43,382,689,848,102,608
  5. Step 5: Solve for x
    x = 43,382,689,848,102,608/227,541,175.72
  6. Step 6: Final answer
    x = 190,658,634.47

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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.