Home / 266,632,408.44-399,511,863.03-142,002,715.94

Finding the Fourth Proportional to 266,632,408.44, 399,511,863.03 and 142,002,715.94

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Solution

The fourth proportional to 266,632,408.44, 399,511,863.03 and 142,002,715.94 is: 212,771,470.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,632,408.44 : 399,511,863.03 = 142,002,715.94 : x
  2. Step 2: Convert to fraction form
    266,632,408.44/399,511,863.03 = 142,002,715.94/x
  3. Step 3: Cross multiply
    266,632,408.44x = 399,511,863.03 × 142,002,715.94
  4. Step 4: Simplify right side
    266,632,408.44x = 56,731,769,601,807,920
  5. Step 5: Solve for x
    x = 56,731,769,601,807,920/266,632,408.44
  6. Step 6: Final answer
    x = 212,771,470.41

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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.