Home / 98,784,400.75-136,322,473.04-55,324,336.75

Finding the Fourth Proportional to 98,784,400.75, 136,322,473.04 and 55,324,336.75

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Solution

The fourth proportional to 98,784,400.75, 136,322,473.04 and 55,324,336.75 is: 76,347,584.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,784,400.75 : 136,322,473.04 = 55,324,336.75 : x
  2. Step 2: Convert to fraction form
    98,784,400.75/136,322,473.04 = 55,324,336.75/x
  3. Step 3: Cross multiply
    98,784,400.75x = 136,322,473.04 × 55,324,336.75
  4. Step 4: Simplify right side
    98,784,400.75x = 7,541,950,405,057,756
  5. Step 5: Solve for x
    x = 7,541,950,405,057,756/98,784,400.75
  6. Step 6: Final answer
    x = 76,347,584.72

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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.