Home / 189,451,927.20-284,177,890.80-107,822,589.60

Finding the Fourth Proportional to 189,451,927.20, 284,177,890.80 and 107,822,589.60

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Solution

The fourth proportional to 189,451,927.20, 284,177,890.80 and 107,822,589.60 is: 161,733,884.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,451,927.20 : 284,177,890.80 = 107,822,589.60 : x
  2. Step 2: Convert to fraction form
    189,451,927.20/284,177,890.80 = 107,822,589.60/x
  3. Step 3: Cross multiply
    189,451,927.20x = 284,177,890.80 × 107,822,589.60
  4. Step 4: Simplify right side
    189,451,927.20x = 30,640,796,093,122,016
  5. Step 5: Solve for x
    x = 30,640,796,093,122,016/189,451,927.20
  6. Step 6: Final answer
    x = 161,733,884.40

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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.