Home / 54,436,117.20-81,654,175.80-18,534,325.20

Finding the Fourth Proportional to 54,436,117.20, 81,654,175.80 and 18,534,325.20

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Solution

The fourth proportional to 54,436,117.20, 81,654,175.80 and 18,534,325.20 is: 27,801,487.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,436,117.20 : 81,654,175.80 = 18,534,325.20 : x
  2. Step 2: Convert to fraction form
    54,436,117.20/81,654,175.80 = 18,534,325.20/x
  3. Step 3: Cross multiply
    54,436,117.20x = 81,654,175.80 × 18,534,325.20
  4. Step 4: Simplify right side
    54,436,117.20x = 1,513,405,048,215,170
  5. Step 5: Solve for x
    x = 1,513,405,048,215,170/54,436,117.20
  6. Step 6: Final answer
    x = 27,801,487.80

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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.