Home / 217,474,091.79-325,780,668.31-190,211,168.49

Finding the Fourth Proportional to 217,474,091.79, 325,780,668.31 and 190,211,168.49

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Solution

The fourth proportional to 217,474,091.79, 325,780,668.31 and 190,211,168.49 is: 284,940,247.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,474,091.79 : 325,780,668.31 = 190,211,168.49 : x
  2. Step 2: Convert to fraction form
    217,474,091.79/325,780,668.31 = 190,211,168.49/x
  3. Step 3: Cross multiply
    217,474,091.79x = 325,780,668.31 × 190,211,168.49
  4. Step 4: Simplify right side
    217,474,091.79x = 61,967,121,590,698,216
  5. Step 5: Solve for x
    x = 61,967,121,590,698,216/217,474,091.79
  6. Step 6: Final answer
    x = 284,940,247.74

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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.