Home / 67,221,694.90-100,772,721.33-26,271,821.62

Finding the Fourth Proportional to 67,221,694.90, 100,772,721.33 and 26,271,821.62

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Solution

The fourth proportional to 67,221,694.90, 100,772,721.33 and 26,271,821.62 is: 39,384,352.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,221,694.90 : 100,772,721.33 = 26,271,821.62 : x
  2. Step 2: Convert to fraction form
    67,221,694.90/100,772,721.33 = 26,271,821.62/x
  3. Step 3: Cross multiply
    67,221,694.90x = 100,772,721.33 × 26,271,821.62
  4. Step 4: Simplify right side
    67,221,694.90x = 2,647,482,958,943,729
  5. Step 5: Solve for x
    x = 2,647,482,958,943,729/67,221,694.90
  6. Step 6: Final answer
    x = 39,384,352.97

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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.