Home / 43,969,918.60-65,954,877.90-21,295,102.60

Finding the Fourth Proportional to 43,969,918.60, 65,954,877.90 and 21,295,102.60

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Solution

The fourth proportional to 43,969,918.60, 65,954,877.90 and 21,295,102.60 is: 31,942,653.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,969,918.60 : 65,954,877.90 = 21,295,102.60 : x
  2. Step 2: Convert to fraction form
    43,969,918.60/65,954,877.90 = 21,295,102.60/x
  3. Step 3: Cross multiply
    43,969,918.60x = 65,954,877.90 × 21,295,102.60
  4. Step 4: Simplify right side
    43,969,918.60x = 1,404,515,891,850,972.50
  5. Step 5: Solve for x
    x = 1,404,515,891,850,972.50/43,969,918.60
  6. Step 6: Final answer
    x = 31,942,653.90

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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.