Home / 274,354,550.71-378,609,467.87-148,906,749.47

Finding the Fourth Proportional to 274,354,550.71, 378,609,467.87 and 148,906,749.47

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Solution

The fourth proportional to 274,354,550.71, 378,609,467.87 and 148,906,749.47 is: 205,491,416.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,354,550.71 : 378,609,467.87 = 148,906,749.47 : x
  2. Step 2: Convert to fraction form
    274,354,550.71/378,609,467.87 = 148,906,749.47/x
  3. Step 3: Cross multiply
    274,354,550.71x = 378,609,467.87 × 148,906,749.47
  4. Step 4: Simplify right side
    274,354,550.71x = 56,377,505,179,088,104
  5. Step 5: Solve for x
    x = 56,377,505,179,088,104/274,354,550.71
  6. Step 6: Final answer
    x = 205,491,416.25

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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.