Home / 54,682,430.70-82,055,138.85-20,628,216.30

Finding the Fourth Proportional to 54,682,430.70, 82,055,138.85 and 20,628,216.30

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Solution

The fourth proportional to 54,682,430.70, 82,055,138.85 and 20,628,216.30 is: 30,954,204.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,682,430.70 : 82,055,138.85 = 20,628,216.30 : x
  2. Step 2: Convert to fraction form
    54,682,430.70/82,055,138.85 = 20,628,216.30/x
  3. Step 3: Cross multiply
    54,682,430.70x = 82,055,138.85 × 20,628,216.30
  4. Step 4: Simplify right side
    54,682,430.70x = 1,692,651,152,724,333.25
  5. Step 5: Solve for x
    x = 1,692,651,152,724,333.25/54,682,430.70
  6. Step 6: Final answer
    x = 30,954,204.69

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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.