Home / 57,576,304.56-86,379,582.60-20,691,918.52

Finding the Fourth Proportional to 57,576,304.56, 86,379,582.60 and 20,691,918.52

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Solution

The fourth proportional to 57,576,304.56, 86,379,582.60 and 20,691,918.52 is: 31,043,313.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,576,304.56 : 86,379,582.60 = 20,691,918.52 : x
  2. Step 2: Convert to fraction form
    57,576,304.56/86,379,582.60 = 20,691,918.52/x
  3. Step 3: Cross multiply
    57,576,304.56x = 86,379,582.60 × 20,691,918.52
  4. Step 4: Simplify right side
    57,576,304.56x = 1,787,359,284,950,809.50
  5. Step 5: Solve for x
    x = 1,787,359,284,950,809.50/57,576,304.56
  6. Step 6: Final answer
    x = 31,043,313.71

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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.