Home / 204,783,383.20-307,175,074.80-135,908,629.60

Finding the Fourth Proportional to 204,783,383.20, 307,175,074.80 and 135,908,629.60

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Solution

The fourth proportional to 204,783,383.20, 307,175,074.80 and 135,908,629.60 is: 203,862,944.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,783,383.20 : 307,175,074.80 = 135,908,629.60 : x
  2. Step 2: Convert to fraction form
    204,783,383.20/307,175,074.80 = 135,908,629.60/x
  3. Step 3: Cross multiply
    204,783,383.20x = 307,175,074.80 × 135,908,629.60
  4. Step 4: Simplify right side
    204,783,383.20x = 41,747,743,463,345,496
  5. Step 5: Solve for x
    x = 41,747,743,463,345,496/204,783,383.20
  6. Step 6: Final answer
    x = 203,862,944.40

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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.