Home / 54,285,128.20-81,439,502.10-17,887,324.60

Finding the Fourth Proportional to 54,285,128.20, 81,439,502.10 and 17,887,324.60

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Solution

The fourth proportional to 54,285,128.20, 81,439,502.10 and 17,887,324.60 is: 26,834,878.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,285,128.20 : 81,439,502.10 = 17,887,324.60 : x
  2. Step 2: Convert to fraction form
    54,285,128.20/81,439,502.10 = 17,887,324.60/x
  3. Step 3: Cross multiply
    54,285,128.20x = 81,439,502.10 × 17,887,324.60
  4. Step 4: Simplify right side
    54,285,128.20x = 1,456,734,809,325,081.75
  5. Step 5: Solve for x
    x = 1,456,734,809,325,081.75/54,285,128.20
  6. Step 6: Final answer
    x = 26,834,878.31

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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.