Home / 54,222,529.20-81,333,793.80-18,320,218.80

Finding the Fourth Proportional to 54,222,529.20, 81,333,793.80 and 18,320,218.80

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Solution

The fourth proportional to 54,222,529.20, 81,333,793.80 and 18,320,218.80 is: 27,480,328.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,222,529.20 : 81,333,793.80 = 18,320,218.80 : x
  2. Step 2: Convert to fraction form
    54,222,529.20/81,333,793.80 = 18,320,218.80/x
  3. Step 3: Cross multiply
    54,222,529.20x = 81,333,793.80 × 18,320,218.80
  4. Step 4: Simplify right side
    54,222,529.20x = 1,490,052,898,250,083.50
  5. Step 5: Solve for x
    x = 1,490,052,898,250,083.50/54,222,529.20
  6. Step 6: Final answer
    x = 27,480,328.20

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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.