Home / 86,206,708,049.40-129,310,062,074.10-71,694,825,809.40

Finding the Fourth Proportional to 86,206,708,049.40, 129,310,062,074.10 and 71,694,825,809.40

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Solution

The fourth proportional to 86,206,708,049.40, 129,310,062,074.10 and 71,694,825,809.40 is: 107,542,238,714.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,206,708,049.40 : 129,310,062,074.10 = 71,694,825,809.40 : x
  2. Step 2: Convert to fraction form
    86,206,708,049.40/129,310,062,074.10 = 71,694,825,809.40/x
  3. Step 3: Cross multiply
    86,206,708,049.40x = 129,310,062,074.10 × 71,694,825,809.40
  4. Step 4: Simplify right side
    86,206,708,049.40x = 9,270,862,375,805,300,768,768
  5. Step 5: Solve for x
    x = 9,270,862,375,805,300,768,768/86,206,708,049.40
  6. Step 6: Final answer
    x = 107,542,238,714.10

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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.