Home / 68,865,331.80-95,033,009.42-37,928,379.72

Finding the Fourth Proportional to 68,865,331.80, 95,033,009.42 and 37,928,379.72

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Solution

The fourth proportional to 68,865,331.80, 95,033,009.42 and 37,928,379.72 is: 52,340,531.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,865,331.80 : 95,033,009.42 = 37,928,379.72 : x
  2. Step 2: Convert to fraction form
    68,865,331.80/95,033,009.42 = 37,928,379.72/x
  3. Step 3: Cross multiply
    68,865,331.80x = 95,033,009.42 × 37,928,379.72
  4. Step 4: Simplify right side
    68,865,331.80x = 3,604,448,067,216,097
  5. Step 5: Solve for x
    x = 3,604,448,067,216,097/68,865,331.80
  6. Step 6: Final answer
    x = 52,340,531.48

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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.