Home / 57,576,289.28-86,379,559.74-20,691,903.29

Finding the Fourth Proportional to 57,576,289.28, 86,379,559.74 and 20,691,903.29

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Solution

The fourth proportional to 57,576,289.28, 86,379,559.74 and 20,691,903.29 is: 31,043,290.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,576,289.28 : 86,379,559.74 = 20,691,903.29 : x
  2. Step 2: Convert to fraction form
    57,576,289.28/86,379,559.74 = 20,691,903.29/x
  3. Step 3: Cross multiply
    57,576,289.28x = 86,379,559.74 × 20,691,903.29
  4. Step 4: Simplify right side
    57,576,289.28x = 1,787,357,495,940,959.75
  5. Step 5: Solve for x
    x = 1,787,357,495,940,959.75/57,576,289.28
  6. Step 6: Final answer
    x = 31,043,290.88

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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.