Home / 133,669,898.10-200,504,847.15-87,753,395.70

Finding the Fourth Proportional to 133,669,898.10, 200,504,847.15 and 87,753,395.70

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Solution

The fourth proportional to 133,669,898.10, 200,504,847.15 and 87,753,395.70 is: 131,630,093.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,669,898.10 : 200,504,847.15 = 87,753,395.70 : x
  2. Step 2: Convert to fraction form
    133,669,898.10/200,504,847.15 = 87,753,395.70/x
  3. Step 3: Cross multiply
    133,669,898.10x = 200,504,847.15 × 87,753,395.70
  4. Step 4: Simplify right side
    133,669,898.10x = 17,594,981,191,721,968
  5. Step 5: Solve for x
    x = 17,594,981,191,721,968/133,669,898.10
  6. Step 6: Final answer
    x = 131,630,093.55

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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.