Home / 269,136,481.98-371,408,494.41-145,377,159.78

Finding the Fourth Proportional to 269,136,481.98, 371,408,494.41 and 145,377,159.78

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Solution

The fourth proportional to 269,136,481.98, 371,408,494.41 and 145,377,159.78 is: 200,620,561.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,136,481.98 : 371,408,494.41 = 145,377,159.78 : x
  2. Step 2: Convert to fraction form
    269,136,481.98/371,408,494.41 = 145,377,159.78/x
  3. Step 3: Cross multiply
    269,136,481.98x = 371,408,494.41 × 145,377,159.78
  4. Step 4: Simplify right side
    269,136,481.98x = 53,994,312,035,491,808
  5. Step 5: Solve for x
    x = 53,994,312,035,491,808/269,136,481.98
  6. Step 6: Final answer
    x = 200,620,561.13

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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.