Home / 53,236,879.20-73,467,114.72-28,790,593.20

Finding the Fourth Proportional to 53,236,879.20, 73,467,114.72 and 28,790,593.20

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Solution

The fourth proportional to 53,236,879.20, 73,467,114.72 and 28,790,593.20 is: 39,731,138.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,236,879.20 : 73,467,114.72 = 28,790,593.20 : x
  2. Step 2: Convert to fraction form
    53,236,879.20/73,467,114.72 = 28,790,593.20/x
  3. Step 3: Cross multiply
    53,236,879.20x = 73,467,114.72 × 28,790,593.20
  4. Step 4: Simplify right side
    53,236,879.20x = 2,115,161,813,481,251.75
  5. Step 5: Solve for x
    x = 2,115,161,813,481,251.75/53,236,879.20
  6. Step 6: Final answer
    x = 39,731,138.36

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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.