Home / 200,504,954.40-300,757,431.60-131,630,200.80

Finding the Fourth Proportional to 200,504,954.40, 300,757,431.60 and 131,630,200.80

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Solution

The fourth proportional to 200,504,954.40, 300,757,431.60 and 131,630,200.80 is: 197,445,301.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,504,954.40 : 300,757,431.60 = 131,630,200.80 : x
  2. Step 2: Convert to fraction form
    200,504,954.40/300,757,431.60 = 131,630,200.80/x
  3. Step 3: Cross multiply
    200,504,954.40x = 300,757,431.60 × 131,630,200.80
  4. Step 4: Simplify right side
    200,504,954.40x = 39,588,761,113,600,264
  5. Step 5: Solve for x
    x = 39,588,761,113,600,264/200,504,954.40
  6. Step 6: Final answer
    x = 197,445,301.20

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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.