Home / 69,983,999.80-104,975,999.70-49,380,710.20

Finding the Fourth Proportional to 69,983,999.80, 104,975,999.70 and 49,380,710.20

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Solution

The fourth proportional to 69,983,999.80, 104,975,999.70 and 49,380,710.20 is: 74,071,065.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,983,999.80 : 104,975,999.70 = 49,380,710.20 : x
  2. Step 2: Convert to fraction form
    69,983,999.80/104,975,999.70 = 49,380,710.20/x
  3. Step 3: Cross multiply
    69,983,999.80x = 104,975,999.70 × 49,380,710.20
  4. Step 4: Simplify right side
    69,983,999.80x = 5,183,789,419,140,987
  5. Step 5: Solve for x
    x = 5,183,789,419,140,987/69,983,999.80
  6. Step 6: Final answer
    x = 74,071,065.30

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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.