Home / 289,231,591.82-399,261,745.13-195,273,025.31

Finding the Fourth Proportional to 289,231,591.82, 399,261,745.13 and 195,273,025.31

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Solution

The fourth proportional to 289,231,591.82, 399,261,745.13 and 195,273,025.31 is: 269,559,242.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,231,591.82 : 399,261,745.13 = 195,273,025.31 : x
  2. Step 2: Convert to fraction form
    289,231,591.82/399,261,745.13 = 195,273,025.31/x
  3. Step 3: Cross multiply
    289,231,591.82x = 399,261,745.13 × 195,273,025.31
  4. Step 4: Simplify right side
    289,231,591.82x = 77,965,048,862,107,056
  5. Step 5: Solve for x
    x = 77,965,048,862,107,056/289,231,591.82
  6. Step 6: Final answer
    x = 269,559,242.73

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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.