Home / 57,959,982.80-86,939,974.20-43,504,787.60

Finding the Fourth Proportional to 57,959,982.80, 86,939,974.20 and 43,504,787.60

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Solution

The fourth proportional to 57,959,982.80, 86,939,974.20 and 43,504,787.60 is: 65,257,181.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,959,982.80 : 86,939,974.20 = 43,504,787.60 : x
  2. Step 2: Convert to fraction form
    57,959,982.80/86,939,974.20 = 43,504,787.60/x
  3. Step 3: Cross multiply
    57,959,982.80x = 86,939,974.20 × 43,504,787.60
  4. Step 4: Simplify right side
    57,959,982.80x = 3,782,305,111,520,480
  5. Step 5: Solve for x
    x = 3,782,305,111,520,480/57,959,982.80
  6. Step 6: Final answer
    x = 65,257,181.40

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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.