Home / 267,147,416.70-399,870,819.45-190,619,912.70

Finding the Fourth Proportional to 267,147,416.70, 399,870,819.45 and 190,619,912.70

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Solution

The fourth proportional to 267,147,416.70, 399,870,819.45 and 190,619,912.70 is: 285,323,143.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,147,416.70 : 399,870,819.45 = 190,619,912.70 : x
  2. Step 2: Convert to fraction form
    267,147,416.70/399,870,819.45 = 190,619,912.70/x
  3. Step 3: Cross multiply
    267,147,416.70x = 399,870,819.45 × 190,619,912.70
  4. Step 4: Simplify right side
    267,147,416.70x = 76,223,340,694,836,448
  5. Step 5: Solve for x
    x = 76,223,340,694,836,448/267,147,416.70
  6. Step 6: Final answer
    x = 285,323,143.44

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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.