Home / 133,669,975.60-200,504,963.40-87,753,473.20

Finding the Fourth Proportional to 133,669,975.60, 200,504,963.40 and 87,753,473.20

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Solution

The fourth proportional to 133,669,975.60, 200,504,963.40 and 87,753,473.20 is: 131,630,209.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,669,975.60 : 200,504,963.40 = 87,753,473.20 : x
  2. Step 2: Convert to fraction form
    133,669,975.60/200,504,963.40 = 87,753,473.20/x
  3. Step 3: Cross multiply
    133,669,975.60x = 200,504,963.40 × 87,753,473.20
  4. Step 4: Simplify right side
    133,669,975.60x = 17,595,006,932,188,882
  5. Step 5: Solve for x
    x = 17,595,006,932,188,882/133,669,975.60
  6. Step 6: Final answer
    x = 131,630,209.80

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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.