Home / 66,171,568.10-99,260,462.55-20,734,844.90

Finding the Fourth Proportional to 66,171,568.10, 99,260,462.55 and 20,734,844.90

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Solution

The fourth proportional to 66,171,568.10, 99,260,462.55 and 20,734,844.90 is: 31,103,241.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,171,568.10 : 99,260,462.55 = 20,734,844.90 : x
  2. Step 2: Convert to fraction form
    66,171,568.10/99,260,462.55 = 20,734,844.90/x
  3. Step 3: Cross multiply
    66,171,568.10x = 99,260,462.55 × 20,734,844.90
  4. Step 4: Simplify right side
    66,171,568.10x = 2,058,150,295,676,508.25
  5. Step 5: Solve for x
    x = 2,058,150,295,676,508.25/66,171,568.10
  6. Step 6: Final answer
    x = 31,103,241.99

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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.