Home / 217,474,070.37-325,780,636.30-190,211,147.07

Finding the Fourth Proportional to 217,474,070.37, 325,780,636.30 and 190,211,147.07

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Solution

The fourth proportional to 217,474,070.37, 325,780,636.30 and 190,211,147.07 is: 284,940,215.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,474,070.37 : 325,780,636.30 = 190,211,147.07 : x
  2. Step 2: Convert to fraction form
    217,474,070.37/325,780,636.30 = 190,211,147.07/x
  3. Step 3: Cross multiply
    217,474,070.37x = 325,780,636.30 × 190,211,147.07
  4. Step 4: Simplify right side
    217,474,070.37x = 61,967,108,524,869,872
  5. Step 5: Solve for x
    x = 61,967,108,524,869,872/217,474,070.37
  6. Step 6: Final answer
    x = 284,940,215.71

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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.