Home / 133,669,933.85-200,504,900.78-87,753,431.45

Finding the Fourth Proportional to 133,669,933.85, 200,504,900.78 and 87,753,431.45

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Solution

The fourth proportional to 133,669,933.85, 200,504,900.78 and 87,753,431.45 is: 131,630,147.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,669,933.85 : 200,504,900.78 = 87,753,431.45 : x
  2. Step 2: Convert to fraction form
    133,669,933.85/200,504,900.78 = 87,753,431.45/x
  3. Step 3: Cross multiply
    133,669,933.85x = 200,504,900.78 × 87,753,431.45
  4. Step 4: Simplify right side
    133,669,933.85x = 17,594,993,065,986,782
  5. Step 5: Solve for x
    x = 17,594,993,065,986,782/133,669,933.85
  6. Step 6: Final answer
    x = 131,630,147.18

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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.