Home / 217,474,071.87-325,780,638.54-190,211,148.57

Finding the Fourth Proportional to 217,474,071.87, 325,780,638.54 and 190,211,148.57

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Solution

The fourth proportional to 217,474,071.87, 325,780,638.54 and 190,211,148.57 is: 284,940,217.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,474,071.87 : 325,780,638.54 = 190,211,148.57 : x
  2. Step 2: Convert to fraction form
    217,474,071.87/325,780,638.54 = 190,211,148.57/x
  3. Step 3: Cross multiply
    217,474,071.87x = 325,780,638.54 × 190,211,148.57
  4. Step 4: Simplify right side
    217,474,071.87x = 61,967,109,438,561,408
  5. Step 5: Solve for x
    x = 61,967,109,438,561,408/217,474,071.87
  6. Step 6: Final answer
    x = 284,940,217.96

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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.