Home / 133,669,919.85-200,504,879.78-87,753,417.45

Finding the Fourth Proportional to 133,669,919.85, 200,504,879.78 and 87,753,417.45

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Solution

The fourth proportional to 133,669,919.85, 200,504,879.78 and 87,753,417.45 is: 131,630,126.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,669,919.85 : 200,504,879.78 = 87,753,417.45 : x
  2. Step 2: Convert to fraction form
    133,669,919.85/200,504,879.78 = 87,753,417.45/x
  3. Step 3: Cross multiply
    133,669,919.85x = 200,504,879.78 × 87,753,417.45
  4. Step 4: Simplify right side
    133,669,919.85x = 17,594,988,415,657,638
  5. Step 5: Solve for x
    x = 17,594,988,415,657,638/133,669,919.85
  6. Step 6: Final answer
    x = 131,630,126.18

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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.