Home / 66,727,153.27-100,071,396.82-20,038,755.43

Finding the Fourth Proportional to 66,727,153.27, 100,071,396.82 and 20,038,755.43

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Solution

The fourth proportional to 66,727,153.27, 100,071,396.82 and 20,038,755.43 is: 30,052,327.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,727,153.27 : 100,071,396.82 = 20,038,755.43 : x
  2. Step 2: Convert to fraction form
    66,727,153.27/100,071,396.82 = 20,038,755.43/x
  3. Step 3: Cross multiply
    66,727,153.27x = 100,071,396.82 × 20,038,755.43
  4. Step 4: Simplify right side
    66,727,153.27x = 2,005,306,246,414,459.50
  5. Step 5: Solve for x
    x = 2,005,306,246,414,459.50/66,727,153.27
  6. Step 6: Final answer
    x = 30,052,327.25

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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.