Home / 148,494,361.15-222,715,855.26-39,321,100.72

Finding the Fourth Proportional to 148,494,361.15, 222,715,855.26 and 39,321,100.72

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Solution

The fourth proportional to 148,494,361.15, 222,715,855.26 and 39,321,100.72 is: 58,974,849.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,494,361.15 : 222,715,855.26 = 39,321,100.72 : x
  2. Step 2: Convert to fraction form
    148,494,361.15/222,715,855.26 = 39,321,100.72/x
  3. Step 3: Cross multiply
    148,494,361.15x = 222,715,855.26 × 39,321,100.72
  4. Step 4: Simplify right side
    148,494,361.15x = 8,757,432,576,619,401
  5. Step 5: Solve for x
    x = 8,757,432,576,619,401/148,494,361.15
  6. Step 6: Final answer
    x = 58,974,849.34

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.