Home / 90,170,990,677.79-135,138,824,979.20-50,375,158,047.71

Finding the Fourth Proportional to 90,170,990,677.79, 135,138,824,979.20 and 50,375,158,047.71

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Solution

The fourth proportional to 90,170,990,677.79, 135,138,824,979.20 and 50,375,158,047.71 is: 75,497,004,253.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,170,990,677.79 : 135,138,824,979.20 = 50,375,158,047.71 : x
  2. Step 2: Convert to fraction form
    90,170,990,677.79/135,138,824,979.20 = 50,375,158,047.71/x
  3. Step 3: Cross multiply
    90,170,990,677.79x = 135,138,824,979.20 × 50,375,158,047.71
  4. Step 4: Simplify right side
    90,170,990,677.79x = 6,807,639,666,708,344,471,552
  5. Step 5: Solve for x
    x = 6,807,639,666,708,344,471,552/90,170,990,677.79
  6. Step 6: Final answer
    x = 75,497,004,253.12

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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.