Home / 54,378,049.70-81,567,074.55-32,878,964.90

Finding the Fourth Proportional to 54,378,049.70, 81,567,074.55 and 32,878,964.90

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Solution

The fourth proportional to 54,378,049.70, 81,567,074.55 and 32,878,964.90 is: 49,318,447.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,378,049.70 : 81,567,074.55 = 32,878,964.90 : x
  2. Step 2: Convert to fraction form
    54,378,049.70/81,567,074.55 = 32,878,964.90/x
  3. Step 3: Cross multiply
    54,378,049.70x = 81,567,074.55 × 32,878,964.90
  4. Step 4: Simplify right side
    54,378,049.70x = 2,681,840,981,125,133
  5. Step 5: Solve for x
    x = 2,681,840,981,125,133/54,378,049.70
  6. Step 6: Final answer
    x = 49,318,447.35

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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.