Home / 66,498,226.54-91,717,052.89-57,221,342.71

Finding the Fourth Proportional to 66,498,226.54, 91,717,052.89 and 57,221,342.71

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Solution

The fourth proportional to 66,498,226.54, 91,717,052.89 and 57,221,342.71 is: 78,921,998.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,498,226.54 : 91,717,052.89 = 57,221,342.71 : x
  2. Step 2: Convert to fraction form
    66,498,226.54/91,717,052.89 = 57,221,342.71/x
  3. Step 3: Cross multiply
    66,498,226.54x = 91,717,052.89 × 57,221,342.71
  4. Step 4: Simplify right side
    66,498,226.54x = 5,248,172,915,769,886
  5. Step 5: Solve for x
    x = 5,248,172,915,769,886/66,498,226.54
  6. Step 6: Final answer
    x = 78,921,998.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.