Home / 266,320,272.52-399,480,408.76-74,844,048.52

Finding the Fourth Proportional to 266,320,272.52, 399,480,408.76 and 74,844,048.52

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Solution

The fourth proportional to 266,320,272.52, 399,480,408.76 and 74,844,048.52 is: 112,266,072.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,320,272.52 : 399,480,408.76 = 74,844,048.52 : x
  2. Step 2: Convert to fraction form
    266,320,272.52/399,480,408.76 = 74,844,048.52/x
  3. Step 3: Cross multiply
    266,320,272.52x = 399,480,408.76 × 74,844,048.52
  4. Step 4: Simplify right side
    266,320,272.52x = 29,898,731,096,022,872
  5. Step 5: Solve for x
    x = 29,898,731,096,022,872/266,320,272.52
  6. Step 6: Final answer
    x = 112,266,072.77

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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.