Home / 133,669,946.10-200,504,919.15-87,753,443.70

Finding the Fourth Proportional to 133,669,946.10, 200,504,919.15 and 87,753,443.70

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Solution

The fourth proportional to 133,669,946.10, 200,504,919.15 and 87,753,443.70 is: 131,630,165.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,669,946.10 : 200,504,919.15 = 87,753,443.70 : x
  2. Step 2: Convert to fraction form
    133,669,946.10/200,504,919.15 = 87,753,443.70/x
  3. Step 3: Cross multiply
    133,669,946.10x = 200,504,919.15 × 87,753,443.70
  4. Step 4: Simplify right side
    133,669,946.10x = 17,594,997,134,202,578
  5. Step 5: Solve for x
    x = 17,594,997,134,202,578/133,669,946.10
  6. Step 6: Final answer
    x = 131,630,165.55

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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.