Home / 54,356,574.57-81,534,861.72-19,815,566.78

Finding the Fourth Proportional to 54,356,574.57, 81,534,861.72 and 19,815,566.78

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Solution

The fourth proportional to 54,356,574.57, 81,534,861.72 and 19,815,566.78 is: 29,723,350.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,356,574.57 : 81,534,861.72 = 19,815,566.78 : x
  2. Step 2: Convert to fraction form
    54,356,574.57/81,534,861.72 = 19,815,566.78/x
  3. Step 3: Cross multiply
    54,356,574.57x = 81,534,861.72 × 19,815,566.78
  4. Step 4: Simplify right side
    54,356,574.57x = 1,615,659,497,310,725.75
  5. Step 5: Solve for x
    x = 1,615,659,497,310,725.75/54,356,574.57
  6. Step 6: Final answer
    x = 29,723,350.12

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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.