Home / 69,214,512.40-103,821,768.60-57,961,085.20

Finding the Fourth Proportional to 69,214,512.40, 103,821,768.60 and 57,961,085.20

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Solution

The fourth proportional to 69,214,512.40, 103,821,768.60 and 57,961,085.20 is: 86,941,627.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,214,512.40 : 103,821,768.60 = 57,961,085.20 : x
  2. Step 2: Convert to fraction form
    69,214,512.40/103,821,768.60 = 57,961,085.20/x
  3. Step 3: Cross multiply
    69,214,512.40x = 103,821,768.60 × 57,961,085.20
  4. Step 4: Simplify right side
    69,214,512.40x = 6,017,622,375,439,285
  5. Step 5: Solve for x
    x = 6,017,622,375,439,285/69,214,512.40
  6. Step 6: Final answer
    x = 86,941,627.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.