Home / 54,431,996.40-81,647,994.60-20,348,913.60

Finding the Fourth Proportional to 54,431,996.40, 81,647,994.60 and 20,348,913.60

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Solution

The fourth proportional to 54,431,996.40, 81,647,994.60 and 20,348,913.60 is: 30,523,370.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,431,996.40 : 81,647,994.60 = 20,348,913.60 : x
  2. Step 2: Convert to fraction form
    54,431,996.40/81,647,994.60 = 20,348,913.60/x
  3. Step 3: Cross multiply
    54,431,996.40x = 81,647,994.60 × 20,348,913.60
  4. Step 4: Simplify right side
    54,431,996.40x = 1,661,447,987,728,666.50
  5. Step 5: Solve for x
    x = 1,661,447,987,728,666.50/54,431,996.40
  6. Step 6: Final answer
    x = 30,523,370.40

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1.5x scale

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.