Home / 54,019,875.20-81,042,703.50-17,628,333.20

Finding the Fourth Proportional to 54,019,875.20, 81,042,703.50 and 17,628,333.20

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Solution

The fourth proportional to 54,019,875.20, 81,042,703.50 and 17,628,333.20 is: 26,446,706.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,019,875.20 : 81,042,703.50 = 17,628,333.20 : x
  2. Step 2: Convert to fraction form
    54,019,875.20/81,042,703.50 = 17,628,333.20/x
  3. Step 3: Cross multiply
    54,019,875.20x = 81,042,703.50 × 17,628,333.20
  4. Step 4: Simplify right side
    54,019,875.20x = 1,428,647,780,726,806.25
  5. Step 5: Solve for x
    x = 1,428,647,780,726,806.25/54,019,875.20
  6. Step 6: Final answer
    x = 26,446,706.43

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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.