Home / 57,537,456.57-86,340,234.56-21,171,383.91

Finding the Fourth Proportional to 57,537,456.57, 86,340,234.56 and 21,171,383.91

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Solution

The fourth proportional to 57,537,456.57, 86,340,234.56 and 21,171,383.91 is: 31,769,604.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,537,456.57 : 86,340,234.56 = 21,171,383.91 : x
  2. Step 2: Convert to fraction form
    57,537,456.57/86,340,234.56 = 21,171,383.91/x
  3. Step 3: Cross multiply
    57,537,456.57x = 86,340,234.56 × 21,171,383.91
  4. Step 4: Simplify right side
    57,537,456.57x = 1,827,942,252,643,353.25
  5. Step 5: Solve for x
    x = 1,827,942,252,643,353.25/57,537,456.57
  6. Step 6: Final answer
    x = 31,769,604.73

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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.