Home / 43,469,709.60-65,204,564.40-20,794,893.60

Finding the Fourth Proportional to 43,469,709.60, 65,204,564.40 and 20,794,893.60

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Solution

The fourth proportional to 43,469,709.60, 65,204,564.40 and 20,794,893.60 is: 31,192,340.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,469,709.60 : 65,204,564.40 = 20,794,893.60 : x
  2. Step 2: Convert to fraction form
    43,469,709.60/65,204,564.40 = 20,794,893.60/x
  3. Step 3: Cross multiply
    43,469,709.60x = 65,204,564.40 × 20,794,893.60
  4. Step 4: Simplify right side
    43,469,709.60x = 1,355,921,978,932,348
  5. Step 5: Solve for x
    x = 1,355,921,978,932,348/43,469,709.60
  6. Step 6: Final answer
    x = 31,192,340.40

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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.