Home / 111,005,721.60-166,189,717.80-67,959,000.60

Finding the Fourth Proportional to 111,005,721.60, 166,189,717.80 and 67,959,000.60

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Solution

The fourth proportional to 111,005,721.60, 166,189,717.80 and 67,959,000.60 is: 101,743,288.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,005,721.60 : 166,189,717.80 = 67,959,000.60 : x
  2. Step 2: Convert to fraction form
    111,005,721.60/166,189,717.80 = 67,959,000.60/x
  3. Step 3: Cross multiply
    111,005,721.60x = 166,189,717.80 × 67,959,000.60
  4. Step 4: Simplify right side
    111,005,721.60x = 11,294,087,131,684,030
  5. Step 5: Solve for x
    x = 11,294,087,131,684,030/111,005,721.60
  6. Step 6: Final answer
    x = 101,743,288.26

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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.