Home / 154,159,530,934.71-231,238,363,723.10-83,861,007,037.59

Finding the Fourth Proportional to 154,159,530,934.71, 231,238,363,723.10 and 83,861,007,037.59

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Solution

The fourth proportional to 154,159,530,934.71, 231,238,363,723.10 and 83,861,007,037.59 is: 125,791,003,189.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,159,530,934.71 : 231,238,363,723.10 = 83,861,007,037.59 : x
  2. Step 2: Convert to fraction form
    154,159,530,934.71/231,238,363,723.10 = 83,861,007,037.59/x
  3. Step 3: Cross multiply
    154,159,530,934.71x = 231,238,363,723.10 × 83,861,007,037.59
  4. Step 4: Simplify right side
    154,159,530,934.71x = 19,391,882,047,543,685,677,056
  5. Step 5: Solve for x
    x = 19,391,882,047,543,685,677,056/154,159,530,934.71
  6. Step 6: Final answer
    x = 125,791,003,189.78

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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.