Home / 111,005,720.10-166,189,715.55-67,958,999.10

Finding the Fourth Proportional to 111,005,720.10, 166,189,715.55 and 67,958,999.10

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Solution

The fourth proportional to 111,005,720.10, 166,189,715.55 and 67,958,999.10 is: 101,743,286.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,005,720.10 : 166,189,715.55 = 67,958,999.10 : x
  2. Step 2: Convert to fraction form
    111,005,720.10/166,189,715.55 = 67,958,999.10/x
  3. Step 3: Cross multiply
    111,005,720.10x = 166,189,715.55 × 67,958,999.10
  4. Step 4: Simplify right side
    111,005,720.10x = 11,294,086,729,491,706
  5. Step 5: Solve for x
    x = 11,294,086,729,491,706/111,005,720.10
  6. Step 6: Final answer
    x = 101,743,286.02

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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.