Home / 269,136,478.98-371,408,490.27-145,377,156.78

Finding the Fourth Proportional to 269,136,478.98, 371,408,490.27 and 145,377,156.78

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Solution

The fourth proportional to 269,136,478.98, 371,408,490.27 and 145,377,156.78 is: 200,620,556.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,136,478.98 : 371,408,490.27 = 145,377,156.78 : x
  2. Step 2: Convert to fraction form
    269,136,478.98/371,408,490.27 = 145,377,156.78/x
  3. Step 3: Cross multiply
    269,136,478.98x = 371,408,490.27 × 145,377,156.78
  4. Step 4: Simplify right side
    269,136,478.98x = 53,994,310,319,404,896
  5. Step 5: Solve for x
    x = 53,994,310,319,404,896/269,136,478.98
  6. Step 6: Final answer
    x = 200,620,556.99

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