Home / 195,613,708.80-293,420,563.20-138,218,080.80

Finding the Fourth Proportional to 195,613,708.80, 293,420,563.20 and 138,218,080.80

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Solution

The fourth proportional to 195,613,708.80, 293,420,563.20 and 138,218,080.80 is: 207,327,121.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,613,708.80 : 293,420,563.20 = 138,218,080.80 : x
  2. Step 2: Convert to fraction form
    195,613,708.80/293,420,563.20 = 138,218,080.80/x
  3. Step 3: Cross multiply
    195,613,708.80x = 293,420,563.20 × 138,218,080.80
  4. Step 4: Simplify right side
    195,613,708.80x = 40,556,027,112,759,112
  5. Step 5: Solve for x
    x = 40,556,027,112,759,112/195,613,708.80
  6. Step 6: Final answer
    x = 207,327,121.20

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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.