Home / 42,297,891.90-63,448,217.37-20,135,226.30

Finding the Fourth Proportional to 42,297,891.90, 63,448,217.37 and 20,135,226.30

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Solution

The fourth proportional to 42,297,891.90, 63,448,217.37 and 20,135,226.30 is: 30,203,496.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,297,891.90 : 63,448,217.37 = 20,135,226.30 : x
  2. Step 2: Convert to fraction form
    42,297,891.90/63,448,217.37 = 20,135,226.30/x
  3. Step 3: Cross multiply
    42,297,891.90x = 63,448,217.37 × 20,135,226.30
  4. Step 4: Simplify right side
    42,297,891.90x = 1,277,544,215,076,540.75
  5. Step 5: Solve for x
    x = 1,277,544,215,076,540.75/42,297,891.90
  6. Step 6: Final answer
    x = 30,203,496.15

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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.