Home / 89,643,723.92-123,707,081.50-49,952,927.54

Finding the Fourth Proportional to 89,643,723.92, 123,707,081.50 and 49,952,927.54

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Solution

The fourth proportional to 89,643,723.92, 123,707,081.50 and 49,952,927.54 is: 68,934,339.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,643,723.92 : 123,707,081.50 = 49,952,927.54 : x
  2. Step 2: Convert to fraction form
    89,643,723.92/123,707,081.50 = 49,952,927.54/x
  3. Step 3: Cross multiply
    89,643,723.92x = 123,707,081.50 × 49,952,927.54
  4. Step 4: Simplify right side
    89,643,723.92x = 6,179,530,878,354,374
  5. Step 5: Solve for x
    x = 6,179,530,878,354,374/89,643,723.92
  6. Step 6: Final answer
    x = 68,934,339.27

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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.