Home / 90,170,990,679.46-135,138,824,981.73-50,375,158,049.39

Finding the Fourth Proportional to 90,170,990,679.46, 135,138,824,981.73 and 50,375,158,049.39

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Solution

The fourth proportional to 90,170,990,679.46, 135,138,824,981.73 and 50,375,158,049.39 is: 75,497,004,255.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,170,990,679.46 : 135,138,824,981.73 = 50,375,158,049.39 : x
  2. Step 2: Convert to fraction form
    90,170,990,679.46/135,138,824,981.73 = 50,375,158,049.39/x
  3. Step 3: Cross multiply
    90,170,990,679.46x = 135,138,824,981.73 × 50,375,158,049.39
  4. Step 4: Simplify right side
    90,170,990,679.46x = 6,807,639,667,062,962,388,992
  5. Step 5: Solve for x
    x = 6,807,639,667,062,962,388,992/90,170,990,679.46
  6. Step 6: Final answer
    x = 75,497,004,255.64

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1.5x scale

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.