Home / 76,277,190.54-105,284,924.93-49,819,589.10

Finding the Fourth Proportional to 76,277,190.54, 105,284,924.93 and 49,819,589.10

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Solution

The fourth proportional to 76,277,190.54, 105,284,924.93 and 49,819,589.10 is: 68,765,664.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,277,190.54 : 105,284,924.93 = 49,819,589.10 : x
  2. Step 2: Convert to fraction form
    76,277,190.54/105,284,924.93 = 49,819,589.10/x
  3. Step 3: Cross multiply
    76,277,190.54x = 105,284,924.93 × 49,819,589.10
  4. Step 4: Simplify right side
    76,277,190.54x = 5,245,251,698,436,947
  5. Step 5: Solve for x
    x = 5,245,251,698,436,947/76,277,190.54
  6. Step 6: Final answer
    x = 68,765,664.56

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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.