Home / 69,162,133.54-103,727,920.21-19,967,301.04

Finding the Fourth Proportional to 69,162,133.54, 103,727,920.21 and 19,967,301.04

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Solution

The fourth proportional to 69,162,133.54, 103,727,920.21 and 19,967,301.04 is: 29,946,540.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,162,133.54 : 103,727,920.21 = 19,967,301.04 : x
  2. Step 2: Convert to fraction form
    69,162,133.54/103,727,920.21 = 19,967,301.04/x
  3. Step 3: Cross multiply
    69,162,133.54x = 103,727,920.21 × 19,967,301.04
  4. Step 4: Simplify right side
    69,162,133.54x = 2,071,166,609,086,169.75
  5. Step 5: Solve for x
    x = 2,071,166,609,086,169.75/69,162,133.54
  6. Step 6: Final answer
    x = 29,946,540.15

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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.