Home / 66,067,058.20-99,100,587.30-18,198,002.20

Finding the Fourth Proportional to 66,067,058.20, 99,100,587.30 and 18,198,002.20

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Solution

The fourth proportional to 66,067,058.20, 99,100,587.30 and 18,198,002.20 is: 27,297,003.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,067,058.20 : 99,100,587.30 = 18,198,002.20 : x
  2. Step 2: Convert to fraction form
    66,067,058.20/99,100,587.30 = 18,198,002.20/x
  3. Step 3: Cross multiply
    66,067,058.20x = 99,100,587.30 × 18,198,002.20
  4. Step 4: Simplify right side
    66,067,058.20x = 1,803,432,705,706,692
  5. Step 5: Solve for x
    x = 1,803,432,705,706,692/66,067,058.20
  6. Step 6: Final answer
    x = 27,297,003.30

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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.