Home / 81,650,131.60-122,531,184.60-36,244,512.40

Finding the Fourth Proportional to 81,650,131.60, 122,531,184.60 and 36,244,512.40

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Solution

The fourth proportional to 81,650,131.60, 122,531,184.60 and 36,244,512.40 is: 54,391,621.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,650,131.60 : 122,531,184.60 = 36,244,512.40 : x
  2. Step 2: Convert to fraction form
    81,650,131.60/122,531,184.60 = 36,244,512.40/x
  3. Step 3: Cross multiply
    81,650,131.60x = 122,531,184.60 × 36,244,512.40
  4. Step 4: Simplify right side
    81,650,131.60x = 4,441,083,039,621,388.50
  5. Step 5: Solve for x
    x = 4,441,083,039,621,388.50/81,650,131.60
  6. Step 6: Final answer
    x = 54,391,621.33

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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.