Home / 133,669,934.10-200,504,901.15-87,753,431.70

Finding the Fourth Proportional to 133,669,934.10, 200,504,901.15 and 87,753,431.70

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Solution

The fourth proportional to 133,669,934.10, 200,504,901.15 and 87,753,431.70 is: 131,630,147.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,669,934.10 : 200,504,901.15 = 87,753,431.70 : x
  2. Step 2: Convert to fraction form
    133,669,934.10/200,504,901.15 = 87,753,431.70/x
  3. Step 3: Cross multiply
    133,669,934.10x = 200,504,901.15 × 87,753,431.70
  4. Step 4: Simplify right side
    133,669,934.10x = 17,594,993,148,581,778
  5. Step 5: Solve for x
    x = 17,594,993,148,581,778/133,669,934.10
  6. Step 6: Final answer
    x = 131,630,147.55

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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.