Home / 62,100,403.92-85,640,431.68-49,078,772.64

Finding the Fourth Proportional to 62,100,403.92, 85,640,431.68 and 49,078,772.64

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Solution

The fourth proportional to 62,100,403.92, 85,640,431.68 and 49,078,772.64 is: 67,682,768.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,100,403.92 : 85,640,431.68 = 49,078,772.64 : x
  2. Step 2: Convert to fraction form
    62,100,403.92/85,640,431.68 = 49,078,772.64/x
  3. Step 3: Cross multiply
    62,100,403.92x = 85,640,431.68 × 49,078,772.64
  4. Step 4: Simplify right side
    62,100,403.92x = 4,203,127,275,214,173.50
  5. Step 5: Solve for x
    x = 4,203,127,275,214,173.50/62,100,403.92
  6. Step 6: Final answer
    x = 67,682,768.71

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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.