Home / 54,683,701.20-82,057,044.60-20,629,486.80

Finding the Fourth Proportional to 54,683,701.20, 82,057,044.60 and 20,629,486.80

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Solution

The fourth proportional to 54,683,701.20, 82,057,044.60 and 20,629,486.80 is: 30,956,110.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,683,701.20 : 82,057,044.60 = 20,629,486.80 : x
  2. Step 2: Convert to fraction form
    54,683,701.20/82,057,044.60 = 20,629,486.80/x
  3. Step 3: Cross multiply
    54,683,701.20x = 82,057,044.60 × 20,629,486.80
  4. Step 4: Simplify right side
    54,683,701.20x = 1,692,794,718,422,711.25
  5. Step 5: Solve for x
    x = 1,692,794,718,422,711.25/54,683,701.20
  6. Step 6: Final answer
    x = 30,956,110.89

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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.