Home / 266,632,409.44-399,511,864.53-142,002,716.94

Finding the Fourth Proportional to 266,632,409.44, 399,511,864.53 and 142,002,716.94

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Solution

The fourth proportional to 266,632,409.44, 399,511,864.53 and 142,002,716.94 is: 212,771,471.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,632,409.44 : 399,511,864.53 = 142,002,716.94 : x
  2. Step 2: Convert to fraction form
    266,632,409.44/399,511,864.53 = 142,002,716.94/x
  3. Step 3: Cross multiply
    266,632,409.44x = 399,511,864.53 × 142,002,716.94
  4. Step 4: Simplify right side
    266,632,409.44x = 56,731,770,213,025,208
  5. Step 5: Solve for x
    x = 56,731,770,213,025,208/266,632,409.44
  6. Step 6: Final answer
    x = 212,771,471.90

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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.