Home / 62,100,120.56-85,640,037.60-49,078,487.64

Finding the Fourth Proportional to 62,100,120.56, 85,640,037.60 and 49,078,487.64

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Solution

The fourth proportional to 62,100,120.56, 85,640,037.60 and 49,078,487.64 is: 67,682,373.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,100,120.56 : 85,640,037.60 = 49,078,487.64 : x
  2. Step 2: Convert to fraction form
    62,100,120.56/85,640,037.60 = 49,078,487.64/x
  3. Step 3: Cross multiply
    62,100,120.56x = 85,640,037.60 × 49,078,487.64
  4. Step 4: Simplify right side
    62,100,120.56x = 4,203,083,526,840,735
  5. Step 5: Solve for x
    x = 4,203,083,526,840,735/62,100,120.56
  6. Step 6: Final answer
    x = 67,682,373.06

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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.