Home / 49,619,863.75-68,465,377.57-28,989,324.13

Finding the Fourth Proportional to 49,619,863.75, 68,465,377.57 and 28,989,324.13

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Solution

The fourth proportional to 49,619,863.75, 68,465,377.57 and 28,989,324.13 is: 39,999,404.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,619,863.75 : 68,465,377.57 = 28,989,324.13 : x
  2. Step 2: Convert to fraction form
    49,619,863.75/68,465,377.57 = 28,989,324.13/x
  3. Step 3: Cross multiply
    49,619,863.75x = 68,465,377.57 × 28,989,324.13
  4. Step 4: Simplify right side
    49,619,863.75x = 1,984,765,022,059,561.50
  5. Step 5: Solve for x
    x = 1,984,765,022,059,561.50/49,619,863.75
  6. Step 6: Final answer
    x = 39,999,404.92

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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.