Home / 121,334,757,074.89-167,304,940,708.24-90,752,933,578.69

Finding the Fourth Proportional to 121,334,757,074.89, 167,304,940,708.24 and 90,752,933,578.69

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Solution

The fourth proportional to 121,334,757,074.89, 167,304,940,708.24 and 90,752,933,578.69 is: 125,136,560,516.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,334,757,074.89 : 167,304,940,708.24 = 90,752,933,578.69 : x
  2. Step 2: Convert to fraction form
    121,334,757,074.89/167,304,940,708.24 = 90,752,933,578.69/x
  3. Step 3: Cross multiply
    121,334,757,074.89x = 167,304,940,708.24 × 90,752,933,578.69
  4. Step 4: Simplify right side
    121,334,757,074.89x = 15,183,414,171,481,906,610,176
  5. Step 5: Solve for x
    x = 15,183,414,171,481,906,610,176/121,334,757,074.89
  6. Step 6: Final answer
    x = 125,136,560,516.71

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