Home / 89,813,183,092.28-123,942,195,111.97-49,715,162,480.78

Finding the Fourth Proportional to 89,813,183,092.28, 123,942,195,111.97 and 49,715,162,480.78

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Solution

The fourth proportional to 89,813,183,092.28, 123,942,195,111.97 and 49,715,162,480.78 is: 68,606,925,576.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,813,183,092.28 : 123,942,195,111.97 = 49,715,162,480.78 : x
  2. Step 2: Convert to fraction form
    89,813,183,092.28/123,942,195,111.97 = 49,715,162,480.78/x
  3. Step 3: Cross multiply
    89,813,183,092.28x = 123,942,195,111.97 × 49,715,162,480.78
  4. Step 4: Simplify right side
    89,813,183,092.28x = 6,161,806,368,215,505,305,600
  5. Step 5: Solve for x
    x = 6,161,806,368,215,505,305,600/89,813,183,092.28
  6. Step 6: Final answer
    x = 68,606,925,576.67

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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.