Home / 269,136,715.50-371,408,816.84-145,377,393.84

Finding the Fourth Proportional to 269,136,715.50, 371,408,816.84 and 145,377,393.84

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Solution

The fourth proportional to 269,136,715.50, 371,408,816.84 and 145,377,393.84 is: 200,620,884.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,136,715.50 : 371,408,816.84 = 145,377,393.84 : x
  2. Step 2: Convert to fraction form
    269,136,715.50/371,408,816.84 = 145,377,393.84/x
  3. Step 3: Cross multiply
    269,136,715.50x = 371,408,816.84 × 145,377,393.84
  4. Step 4: Simplify right side
    269,136,715.50x = 53,994,445,840,670,216
  5. Step 5: Solve for x
    x = 53,994,445,840,670,216/269,136,715.50
  6. Step 6: Final answer
    x = 200,620,884.22

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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.