Home / 54,433,672.20-81,650,508.30-18,531,880.20

Finding the Fourth Proportional to 54,433,672.20, 81,650,508.30 and 18,531,880.20

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Solution

The fourth proportional to 54,433,672.20, 81,650,508.30 and 18,531,880.20 is: 27,797,820.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,433,672.20 : 81,650,508.30 = 18,531,880.20 : x
  2. Step 2: Convert to fraction form
    54,433,672.20/81,650,508.30 = 18,531,880.20/x
  3. Step 3: Cross multiply
    54,433,672.20x = 81,650,508.30 × 18,531,880.20
  4. Step 4: Simplify right side
    54,433,672.20x = 1,513,137,438,084,705.50
  5. Step 5: Solve for x
    x = 1,513,137,438,084,705.50/54,433,672.20
  6. Step 6: Final answer
    x = 27,797,820.30

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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.