Home / 54,179,278.18-81,271,751.86-15,320,571.05

Finding the Fourth Proportional to 54,179,278.18, 81,271,751.86 and 15,320,571.05

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Solution

The fourth proportional to 54,179,278.18, 81,271,751.86 and 15,320,571.05 is: 22,981,658.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,179,278.18 : 81,271,751.86 = 15,320,571.05 : x
  2. Step 2: Convert to fraction form
    54,179,278.18/81,271,751.86 = 15,320,571.05/x
  3. Step 3: Cross multiply
    54,179,278.18x = 81,271,751.86 × 15,320,571.05
  4. Step 4: Simplify right side
    54,179,278.18x = 1,245,129,648,951,429.75
  5. Step 5: Solve for x
    x = 1,245,129,648,951,429.75/54,179,278.18
  6. Step 6: Final answer
    x = 22,981,658.13

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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.