Home / 220,293,067.20-330,156,165.60-133,939,809.60

Finding the Fourth Proportional to 220,293,067.20, 330,156,165.60 and 133,939,809.60

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Solution

The fourth proportional to 220,293,067.20, 330,156,165.60 and 133,939,809.60 is: 200,737,383.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,293,067.20 : 330,156,165.60 = 133,939,809.60 : x
  2. Step 2: Convert to fraction form
    220,293,067.20/330,156,165.60 = 133,939,809.60/x
  3. Step 3: Cross multiply
    220,293,067.20x = 330,156,165.60 × 133,939,809.60
  4. Step 4: Simplify right side
    220,293,067.20x = 44,221,053,958,730,072
  5. Step 5: Solve for x
    x = 44,221,053,958,730,072/220,293,067.20
  6. Step 6: Final answer
    x = 200,737,383.71

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1.5x scale

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.