Home / 269,136,472.98-371,408,481.99-145,377,150.78

Finding the Fourth Proportional to 269,136,472.98, 371,408,481.99 and 145,377,150.78

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Solution

The fourth proportional to 269,136,472.98, 371,408,481.99 and 145,377,150.78 is: 200,620,548.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,136,472.98 : 371,408,481.99 = 145,377,150.78 : x
  2. Step 2: Convert to fraction form
    269,136,472.98/371,408,481.99 = 145,377,150.78/x
  3. Step 3: Cross multiply
    269,136,472.98x = 371,408,481.99 × 145,377,150.78
  4. Step 4: Simplify right side
    269,136,472.98x = 53,994,306,887,231,144
  5. Step 5: Solve for x
    x = 53,994,306,887,231,144/269,136,472.98
  6. Step 6: Final answer
    x = 200,620,548.71

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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.