Home / 89,813,183,090.78-123,942,195,109.90-49,715,162,479.28

Finding the Fourth Proportional to 89,813,183,090.78, 123,942,195,109.90 and 49,715,162,479.28

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Solution

The fourth proportional to 89,813,183,090.78, 123,942,195,109.90 and 49,715,162,479.28 is: 68,606,925,574.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,813,183,090.78 : 123,942,195,109.90 = 49,715,162,479.28 : x
  2. Step 2: Convert to fraction form
    89,813,183,090.78/123,942,195,109.90 = 49,715,162,479.28/x
  3. Step 3: Cross multiply
    89,813,183,090.78x = 123,942,195,109.90 × 49,715,162,479.28
  4. Step 4: Simplify right side
    89,813,183,090.78x = 6,161,806,367,926,681,337,856
  5. Step 5: Solve for x
    x = 6,161,806,367,926,681,337,856/89,813,183,090.78
  6. Step 6: Final answer
    x = 68,606,925,574.60

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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.