Home / 54,385,672.20-81,578,508.30-18,483,880.20

Finding the Fourth Proportional to 54,385,672.20, 81,578,508.30 and 18,483,880.20

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Solution

The fourth proportional to 54,385,672.20, 81,578,508.30 and 18,483,880.20 is: 27,725,820.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,385,672.20 : 81,578,508.30 = 18,483,880.20 : x
  2. Step 2: Convert to fraction form
    54,385,672.20/81,578,508.30 = 18,483,880.20/x
  3. Step 3: Cross multiply
    54,385,672.20x = 81,578,508.30 × 18,483,880.20
  4. Step 4: Simplify right side
    54,385,672.20x = 1,507,887,374,311,905.50
  5. Step 5: Solve for x
    x = 1,507,887,374,311,905.50/54,385,672.20
  6. Step 6: Final answer
    x = 27,725,820.30

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Similar ratio
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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.