Home / 109,149,112.80-163,747,288.80-32,479,891.20

Finding the Fourth Proportional to 109,149,112.80, 163,747,288.80 and 32,479,891.20

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Solution

The fourth proportional to 109,149,112.80, 163,747,288.80 and 32,479,891.20 is: 48,726,865.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,149,112.80 : 163,747,288.80 = 32,479,891.20 : x
  2. Step 2: Convert to fraction form
    109,149,112.80/163,747,288.80 = 32,479,891.20/x
  3. Step 3: Cross multiply
    109,149,112.80x = 163,747,288.80 × 32,479,891.20
  4. Step 4: Simplify right side
    109,149,112.80x = 5,318,494,124,518,979
  5. Step 5: Solve for x
    x = 5,318,494,124,518,979/109,149,112.80
  6. Step 6: Final answer
    x = 48,726,865.37

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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.