Home / 227,138,801.80-340,260,305.10-135,991,640.20

Finding the Fourth Proportional to 227,138,801.80, 340,260,305.10 and 135,991,640.20

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Solution

The fourth proportional to 227,138,801.80, 340,260,305.10 and 135,991,640.20 is: 203,719,296.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,138,801.80 : 340,260,305.10 = 135,991,640.20 : x
  2. Step 2: Convert to fraction form
    227,138,801.80/340,260,305.10 = 135,991,640.20/x
  3. Step 3: Cross multiply
    227,138,801.80x = 340,260,305.10 × 135,991,640.20
  4. Step 4: Simplify right side
    227,138,801.80x = 46,272,556,985,501,424
  5. Step 5: Solve for x
    x = 46,272,556,985,501,424/227,138,801.80
  6. Step 6: Final answer
    x = 203,719,296.83

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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.