Home / 54,022,144.32-81,039,879.36-17,620,802.40

Finding the Fourth Proportional to 54,022,144.32, 81,039,879.36 and 17,620,802.40

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Solution

The fourth proportional to 54,022,144.32, 81,039,879.36 and 17,620,802.40 is: 26,433,376.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,022,144.32 : 81,039,879.36 = 17,620,802.40 : x
  2. Step 2: Convert to fraction form
    54,022,144.32/81,039,879.36 = 17,620,802.40/x
  3. Step 3: Cross multiply
    54,022,144.32x = 81,039,879.36 × 17,620,802.40
  4. Step 4: Simplify right side
    54,022,144.32x = 1,427,987,700,722,398.25
  5. Step 5: Solve for x
    x = 1,427,987,700,722,398.25/54,022,144.32
  6. Step 6: Final answer
    x = 26,433,376.88

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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.