Home / 81,616,919.28-122,441,520.60-23,325,120.24

Finding the Fourth Proportional to 81,616,919.28, 122,441,520.60 and 23,325,120.24

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Solution

The fourth proportional to 81,616,919.28, 122,441,520.60 and 23,325,120.24 is: 34,992,293.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,616,919.28 : 122,441,520.60 = 23,325,120.24 : x
  2. Step 2: Convert to fraction form
    81,616,919.28/122,441,520.60 = 23,325,120.24/x
  3. Step 3: Cross multiply
    81,616,919.28x = 122,441,520.60 × 23,325,120.24
  4. Step 4: Simplify right side
    81,616,919.28x = 2,855,963,190,363,436.50
  5. Step 5: Solve for x
    x = 2,855,963,190,363,436.50/81,616,919.28
  6. Step 6: Final answer
    x = 34,992,293.46

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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.