Home / 57,474,268.71-86,222,760.08-21,082,996.95

Finding the Fourth Proportional to 57,474,268.71, 86,222,760.08 and 21,082,996.95

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Solution

The fourth proportional to 57,474,268.71, 86,222,760.08 and 21,082,996.95 is: 31,628,661.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,474,268.71 : 86,222,760.08 = 21,082,996.95 : x
  2. Step 2: Convert to fraction form
    57,474,268.71/86,222,760.08 = 21,082,996.95/x
  3. Step 3: Cross multiply
    57,474,268.71x = 86,222,760.08 × 21,082,996.95
  4. Step 4: Simplify right side
    57,474,268.71x = 1,817,834,187,681,806.75
  5. Step 5: Solve for x
    x = 1,817,834,187,681,806.75/57,474,268.71
  6. Step 6: Final answer
    x = 31,628,661.46

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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.