Home / 121,334,757,076.39-167,304,940,710.32-90,752,933,580.20

Finding the Fourth Proportional to 121,334,757,076.39, 167,304,940,710.32 and 90,752,933,580.20

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Solution

The fourth proportional to 121,334,757,076.39, 167,304,940,710.32 and 90,752,933,580.20 is: 125,136,560,518.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,334,757,076.39 : 167,304,940,710.32 = 90,752,933,580.20 : x
  2. Step 2: Convert to fraction form
    121,334,757,076.39/167,304,940,710.32 = 90,752,933,580.20/x
  3. Step 3: Cross multiply
    121,334,757,076.39x = 167,304,940,710.32 × 90,752,933,580.20
  4. Step 4: Simplify right side
    121,334,757,076.39x = 15,183,414,171,922,134,466,560
  5. Step 5: Solve for x
    x = 15,183,414,171,922,134,466,560/121,334,757,076.39
  6. Step 6: Final answer
    x = 125,136,560,518.79

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1.5x scale

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.