Home / 214,628,266.40-321,942,399.60-200,279,359.40

Finding the Fourth Proportional to 214,628,266.40, 321,942,399.60 and 200,279,359.40

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Solution

The fourth proportional to 214,628,266.40, 321,942,399.60 and 200,279,359.40 is: 300,419,039.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,628,266.40 : 321,942,399.60 = 200,279,359.40 : x
  2. Step 2: Convert to fraction form
    214,628,266.40/321,942,399.60 = 200,279,359.40/x
  3. Step 3: Cross multiply
    214,628,266.40x = 321,942,399.60 × 200,279,359.40
  4. Step 4: Simplify right side
    214,628,266.40x = 64,478,417,555,586,824
  5. Step 5: Solve for x
    x = 64,478,417,555,586,824/214,628,266.40
  6. Step 6: Final answer
    x = 300,419,039.10

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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.