Home / 86,206,707,986.40-129,310,061,979.60-71,694,825,746.40

Finding the Fourth Proportional to 86,206,707,986.40, 129,310,061,979.60 and 71,694,825,746.40

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Solution

The fourth proportional to 86,206,707,986.40, 129,310,061,979.60 and 71,694,825,746.40 is: 107,542,238,619.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,206,707,986.40 : 129,310,061,979.60 = 71,694,825,746.40 : x
  2. Step 2: Convert to fraction form
    86,206,707,986.40/129,310,061,979.60 = 71,694,825,746.40/x
  3. Step 3: Cross multiply
    86,206,707,986.40x = 129,310,061,979.60 × 71,694,825,746.40
  4. Step 4: Simplify right side
    86,206,707,986.40x = 9,270,862,360,883,605,012,480
  5. Step 5: Solve for x
    x = 9,270,862,360,883,605,012,480/86,206,707,986.40
  6. Step 6: Final answer
    x = 107,542,238,619.60

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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.