Home / 148,494,358.15-222,715,850.78-39,321,097.72

Finding the Fourth Proportional to 148,494,358.15, 222,715,850.78 and 39,321,097.72

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Solution

The fourth proportional to 148,494,358.15, 222,715,850.78 and 39,321,097.72 is: 58,974,844.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,494,358.15 : 222,715,850.78 = 39,321,097.72 : x
  2. Step 2: Convert to fraction form
    148,494,358.15/222,715,850.78 = 39,321,097.72/x
  3. Step 3: Cross multiply
    148,494,358.15x = 222,715,850.78 × 39,321,097.72
  4. Step 4: Simplify right side
    148,494,358.15x = 8,757,431,732,116,713
  5. Step 5: Solve for x
    x = 8,757,431,732,116,713/148,494,358.15
  6. Step 6: Final answer
    x = 58,974,844.84

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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.