Home / 310,031,279.20-465,046,918.80-206,719,148.80

Finding the Fourth Proportional to 310,031,279.20, 465,046,918.80 and 206,719,148.80

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Solution

The fourth proportional to 310,031,279.20, 465,046,918.80 and 206,719,148.80 is: 310,078,723.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,031,279.20 : 465,046,918.80 = 206,719,148.80 : x
  2. Step 2: Convert to fraction form
    310,031,279.20/465,046,918.80 = 206,719,148.80/x
  3. Step 3: Cross multiply
    310,031,279.20x = 465,046,918.80 × 206,719,148.80
  4. Step 4: Simplify right side
    310,031,279.20x = 96,134,103,206,398,720
  5. Step 5: Solve for x
    x = 96,134,103,206,398,720/310,031,279.20
  6. Step 6: Final answer
    x = 310,078,723.20

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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.