Home / 54,022,162.32-81,039,906.36-17,620,820.40

Finding the Fourth Proportional to 54,022,162.32, 81,039,906.36 and 17,620,820.40

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Solution

The fourth proportional to 54,022,162.32, 81,039,906.36 and 17,620,820.40 is: 26,433,403.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,022,162.32 : 81,039,906.36 = 17,620,820.40 : x
  2. Step 2: Convert to fraction form
    54,022,162.32/81,039,906.36 = 17,620,820.40/x
  3. Step 3: Cross multiply
    54,022,162.32x = 81,039,906.36 × 17,620,820.40
  4. Step 4: Simplify right side
    54,022,162.32x = 1,427,989,635,202,377.50
  5. Step 5: Solve for x
    x = 1,427,989,635,202,377.50/54,022,162.32
  6. Step 6: Final answer
    x = 26,433,403.88

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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.