Home / 269,139,046.94-371,412,047.49-145,379,778.74

Finding the Fourth Proportional to 269,139,046.94, 371,412,047.49 and 145,379,778.74

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Solution

The fourth proportional to 269,139,046.94, 371,412,047.49 and 145,379,778.74 is: 200,624,182.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,139,046.94 : 371,412,047.49 = 145,379,778.74 : x
  2. Step 2: Convert to fraction form
    269,139,046.94/371,412,047.49 = 145,379,778.74/x
  3. Step 3: Cross multiply
    269,139,046.94x = 371,412,047.49 × 145,379,778.74
  4. Step 4: Simplify right side
    269,139,046.94x = 53,995,801,285,466,576
  5. Step 5: Solve for x
    x = 53,995,801,285,466,576/269,139,046.94
  6. Step 6: Final answer
    x = 200,624,182.55

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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.