Home / 98,784,813.68-136,322,936.38-54,131,874.56

Finding the Fourth Proportional to 98,784,813.68, 136,322,936.38 and 54,131,874.56

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Solution

The fourth proportional to 98,784,813.68, 136,322,936.38 and 54,131,874.56 is: 74,701,928.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,784,813.68 : 136,322,936.38 = 54,131,874.56 : x
  2. Step 2: Convert to fraction form
    98,784,813.68/136,322,936.38 = 54,131,874.56/x
  3. Step 3: Cross multiply
    98,784,813.68x = 136,322,936.38 × 54,131,874.56
  4. Step 4: Simplify right side
    98,784,813.68x = 7,379,416,091,901,379
  5. Step 5: Solve for x
    x = 7,379,416,091,901,379/98,784,813.68
  6. Step 6: Final answer
    x = 74,701,928.54

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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.