Home / 69,694,785.47-96,178,883.69-38,754,290.45

Finding the Fourth Proportional to 69,694,785.47, 96,178,883.69 and 38,754,290.45

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Solution

The fourth proportional to 69,694,785.47, 96,178,883.69 and 38,754,290.45 is: 53,480,965.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,694,785.47 : 96,178,883.69 = 38,754,290.45 : x
  2. Step 2: Convert to fraction form
    69,694,785.47/96,178,883.69 = 38,754,290.45/x
  3. Step 3: Cross multiply
    69,694,785.47x = 96,178,883.69 × 38,754,290.45
  4. Step 4: Simplify right side
    69,694,785.47x = 3,727,344,394,016,360.50
  5. Step 5: Solve for x
    x = 3,727,344,394,016,360.50/69,694,785.47
  6. Step 6: Final answer
    x = 53,480,965.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.