Home / 81,650,698.60-122,334,330.30-52,882,025.80

Finding the Fourth Proportional to 81,650,698.60, 122,334,330.30 and 52,882,025.80

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Solution

The fourth proportional to 81,650,698.60, 122,334,330.30 and 52,882,025.80 is: 79,231,253.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,650,698.60 : 122,334,330.30 = 52,882,025.80 : x
  2. Step 2: Convert to fraction form
    81,650,698.60/122,334,330.30 = 52,882,025.80/x
  3. Step 3: Cross multiply
    81,650,698.60x = 122,334,330.30 × 52,882,025.80
  4. Step 4: Simplify right side
    81,650,698.60x = 6,469,287,211,150,321
  5. Step 5: Solve for x
    x = 6,469,287,211,150,321/81,650,698.60
  6. Step 6: Final answer
    x = 79,231,253.65

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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.