Home / 313,131,879.44-432,096,793-180,981,435.28

Finding the Fourth Proportional to 313,131,879.44, 432,096,793 and 180,981,435.28

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Solution

The fourth proportional to 313,131,879.44, 432,096,793 and 180,981,435.28 is: 249,739,815.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,131,879.44 : 432,096,793 = 180,981,435.28 : x
  2. Step 2: Convert to fraction form
    313,131,879.44/432,096,793 = 180,981,435.28/x
  3. Step 3: Cross multiply
    313,131,879.44x = 432,096,793 × 180,981,435.28
  4. Step 4: Simplify right side
    313,131,879.44x = 78,201,497,777,025,056
  5. Step 5: Solve for x
    x = 78,201,497,777,025,056/313,131,879.44
  6. Step 6: Final answer
    x = 249,739,815.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.