Home / 54,405,298.40-81,607,947.60-20,322,215.60

Finding the Fourth Proportional to 54,405,298.40, 81,607,947.60 and 20,322,215.60

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Solution

The fourth proportional to 54,405,298.40, 81,607,947.60 and 20,322,215.60 is: 30,483,323.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,405,298.40 : 81,607,947.60 = 20,322,215.60 : x
  2. Step 2: Convert to fraction form
    54,405,298.40/81,607,947.60 = 20,322,215.60/x
  3. Step 3: Cross multiply
    54,405,298.40x = 81,607,947.60 × 20,322,215.60
  4. Step 4: Simplify right side
    54,405,298.40x = 1,658,454,305,800,702.50
  5. Step 5: Solve for x
    x = 1,658,454,305,800,702.50/54,405,298.40
  6. Step 6: Final answer
    x = 30,483,323.40

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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.