Home / 86,581,713.20-129,869,419.88-25,995,864.56

Finding the Fourth Proportional to 86,581,713.20, 129,869,419.88 and 25,995,864.56

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Solution

The fourth proportional to 86,581,713.20, 129,869,419.88 and 25,995,864.56 is: 38,992,851.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,581,713.20 : 129,869,419.88 = 25,995,864.56 : x
  2. Step 2: Convert to fraction form
    86,581,713.20/129,869,419.88 = 25,995,864.56/x
  3. Step 3: Cross multiply
    86,581,713.20x = 129,869,419.88 × 25,995,864.56
  4. Step 4: Simplify right side
    86,581,713.20x = 3,376,067,849,686,251
  5. Step 5: Solve for x
    x = 3,376,067,849,686,251/86,581,713.20
  6. Step 6: Final answer
    x = 38,992,851.09

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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.