Home / 89,643,722.92-123,707,080.13-49,952,926.54

Finding the Fourth Proportional to 89,643,722.92, 123,707,080.13 and 49,952,926.54

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Solution

The fourth proportional to 89,643,722.92, 123,707,080.13 and 49,952,926.54 is: 68,934,337.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,643,722.92 : 123,707,080.13 = 49,952,926.54 : x
  2. Step 2: Convert to fraction form
    89,643,722.92/123,707,080.13 = 49,952,926.54/x
  3. Step 3: Cross multiply
    89,643,722.92x = 123,707,080.13 × 49,952,926.54
  4. Step 4: Simplify right side
    89,643,722.92x = 6,179,530,685,652,752
  5. Step 5: Solve for x
    x = 6,179,530,685,652,752/89,643,722.92
  6. Step 6: Final answer
    x = 68,934,337.89

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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.