Home / 48,143,620.73-66,438,196.61-27,517,509.78

Finding the Fourth Proportional to 48,143,620.73, 66,438,196.61 and 27,517,509.78

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Solution

The fourth proportional to 48,143,620.73, 66,438,196.61 and 27,517,509.78 is: 37,974,163.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,143,620.73 : 66,438,196.61 = 27,517,509.78 : x
  2. Step 2: Convert to fraction form
    48,143,620.73/66,438,196.61 = 27,517,509.78/x
  3. Step 3: Cross multiply
    48,143,620.73x = 66,438,196.61 × 27,517,509.78
  4. Step 4: Simplify right side
    48,143,620.73x = 1,828,213,724,843,650.25
  5. Step 5: Solve for x
    x = 1,828,213,724,843,650.25/48,143,620.73
  6. Step 6: Final answer
    x = 37,974,163.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.