Home / 54,653,329.05-81,994,365.94-19,641,979.56

Finding the Fourth Proportional to 54,653,329.05, 81,994,365.94 and 19,641,979.56

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Solution

The fourth proportional to 54,653,329.05, 81,994,365.94 and 19,641,979.56 is: 29,468,134.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,653,329.05 : 81,994,365.94 = 19,641,979.56 : x
  2. Step 2: Convert to fraction form
    54,653,329.05/81,994,365.94 = 19,641,979.56/x
  3. Step 3: Cross multiply
    54,653,329.05x = 81,994,365.94 × 19,641,979.56
  4. Step 4: Simplify right side
    54,653,329.05x = 1,610,531,659,828,640
  5. Step 5: Solve for x
    x = 1,610,531,659,828,640/54,653,329.05
  6. Step 6: Final answer
    x = 29,468,134.66

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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.