Home / 69,984,069.80-104,976,104.70-49,380,780.20

Finding the Fourth Proportional to 69,984,069.80, 104,976,104.70 and 49,380,780.20

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Solution

The fourth proportional to 69,984,069.80, 104,976,104.70 and 49,380,780.20 is: 74,071,170.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,984,069.80 : 104,976,104.70 = 49,380,780.20 : x
  2. Step 2: Convert to fraction form
    69,984,069.80/104,976,104.70 = 49,380,780.20/x
  3. Step 3: Cross multiply
    69,984,069.80x = 104,976,104.70 × 49,380,780.20
  4. Step 4: Simplify right side
    69,984,069.80x = 5,183,801,952,442,887
  5. Step 5: Solve for x
    x = 5,183,801,952,442,887/69,984,069.80
  6. Step 6: Final answer
    x = 74,071,170.30

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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.