Home / 111,005,729.10-166,189,729.05-67,959,008.10

Finding the Fourth Proportional to 111,005,729.10, 166,189,729.05 and 67,959,008.10

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Solution

The fourth proportional to 111,005,729.10, 166,189,729.05 and 67,959,008.10 is: 101,743,299.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,005,729.10 : 166,189,729.05 = 67,959,008.10 : x
  2. Step 2: Convert to fraction form
    111,005,729.10/166,189,729.05 = 67,959,008.10/x
  3. Step 3: Cross multiply
    111,005,729.10x = 166,189,729.05 × 67,959,008.10
  4. Step 4: Simplify right side
    111,005,729.10x = 11,294,089,142,645,756
  5. Step 5: Solve for x
    x = 11,294,089,142,645,756/111,005,729.10
  6. Step 6: Final answer
    x = 101,743,299.51

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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.