Home / 195,613,288.80-293,419,933.20-138,217,660.80

Finding the Fourth Proportional to 195,613,288.80, 293,419,933.20 and 138,217,660.80

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Solution

The fourth proportional to 195,613,288.80, 293,419,933.20 and 138,217,660.80 is: 207,326,491.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,613,288.80 : 293,419,933.20 = 138,217,660.80 : x
  2. Step 2: Convert to fraction form
    195,613,288.80/293,419,933.20 = 138,217,660.80/x
  3. Step 3: Cross multiply
    195,613,288.80x = 293,419,933.20 × 138,217,660.80
  4. Step 4: Simplify right side
    195,613,288.80x = 40,555,816,798,996,264
  5. Step 5: Solve for x
    x = 40,555,816,798,996,264/195,613,288.80
  6. Step 6: Final answer
    x = 207,326,491.20

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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.