Home / 217,474,072.87-325,780,640.05-190,211,149.57

Finding the Fourth Proportional to 217,474,072.87, 325,780,640.05 and 190,211,149.57

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Solution

The fourth proportional to 217,474,072.87, 325,780,640.05 and 190,211,149.57 is: 284,940,219.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,474,072.87 : 325,780,640.05 = 190,211,149.57 : x
  2. Step 2: Convert to fraction form
    217,474,072.87/325,780,640.05 = 190,211,149.57/x
  3. Step 3: Cross multiply
    217,474,072.87x = 325,780,640.05 × 190,211,149.57
  4. Step 4: Simplify right side
    217,474,072.87x = 61,967,110,051,560,880
  5. Step 5: Solve for x
    x = 61,967,110,051,560,880/217,474,072.87
  6. Step 6: Final answer
    x = 284,940,219.47

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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.