Home / 66,522,247.44-99,783,616.80-20,463,797.28

Finding the Fourth Proportional to 66,522,247.44, 99,783,616.80 and 20,463,797.28

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Solution

The fourth proportional to 66,522,247.44, 99,783,616.80 and 20,463,797.28 is: 30,695,771.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,522,247.44 : 99,783,616.80 = 20,463,797.28 : x
  2. Step 2: Convert to fraction form
    66,522,247.44/99,783,616.80 = 20,463,797.28/x
  3. Step 3: Cross multiply
    66,522,247.44x = 99,783,616.80 × 20,463,797.28
  4. Step 4: Simplify right side
    66,522,247.44x = 2,041,951,706,060,402.25
  5. Step 5: Solve for x
    x = 2,041,951,706,060,402.25/66,522,247.44
  6. Step 6: Final answer
    x = 30,695,771.48

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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.