Home / 200,504,969.03-300,757,453.55-131,630,215.43

Finding the Fourth Proportional to 200,504,969.03, 300,757,453.55 and 131,630,215.43

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Solution

The fourth proportional to 200,504,969.03, 300,757,453.55 and 131,630,215.43 is: 197,445,323.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,504,969.03 : 300,757,453.55 = 131,630,215.43 : x
  2. Step 2: Convert to fraction form
    200,504,969.03/300,757,453.55 = 131,630,215.43/x
  3. Step 3: Cross multiply
    200,504,969.03x = 300,757,453.55 × 131,630,215.43
  4. Step 4: Simplify right side
    200,504,969.03x = 39,588,768,400,802,784
  5. Step 5: Solve for x
    x = 39,588,768,400,802,784/200,504,969.03
  6. Step 6: Final answer
    x = 197,445,323.14

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1.5x scale

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.