Home / 49,664,834.06-68,543,997.36-28,479,904.23

Finding the Fourth Proportional to 49,664,834.06, 68,543,997.36 and 28,479,904.23

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Solution

The fourth proportional to 49,664,834.06, 68,543,997.36 and 28,479,904.23 is: 39,306,010.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,664,834.06 : 68,543,997.36 = 28,479,904.23 : x
  2. Step 2: Convert to fraction form
    49,664,834.06/68,543,997.36 = 28,479,904.23/x
  3. Step 3: Cross multiply
    49,664,834.06x = 68,543,997.36 × 28,479,904.23
  4. Step 4: Simplify right side
    49,664,834.06x = 1,952,126,480,354,172.75
  5. Step 5: Solve for x
    x = 1,952,126,480,354,172.75/49,664,834.06
  6. Step 6: Final answer
    x = 39,306,010.33

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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.