Home / 54,519,724.20-81,710,120.70-28,972,972.20

Finding the Fourth Proportional to 54,519,724.20, 81,710,120.70 and 28,972,972.20

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Solution

The fourth proportional to 54,519,724.20, 81,710,120.70 and 28,972,972.20 is: 43,422,542.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,519,724.20 : 81,710,120.70 = 28,972,972.20 : x
  2. Step 2: Convert to fraction form
    54,519,724.20/81,710,120.70 = 28,972,972.20/x
  3. Step 3: Cross multiply
    54,519,724.20x = 81,710,120.70 × 28,972,972.20
  4. Step 4: Simplify right side
    54,519,724.20x = 2,367,385,055,499,744.50
  5. Step 5: Solve for x
    x = 2,367,385,055,499,744.50/54,519,724.20
  6. Step 6: Final answer
    x = 43,422,542.76

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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.