Home / 98,784,829.38-136,322,958.03-54,131,890.32

Finding the Fourth Proportional to 98,784,829.38, 136,322,958.03 and 54,131,890.32

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Solution

The fourth proportional to 98,784,829.38, 136,322,958.03 and 54,131,890.32 is: 74,701,950.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,784,829.38 : 136,322,958.03 = 54,131,890.32 : x
  2. Step 2: Convert to fraction form
    98,784,829.38/136,322,958.03 = 54,131,890.32/x
  3. Step 3: Cross multiply
    98,784,829.38x = 136,322,958.03 × 54,131,890.32
  4. Step 4: Simplify right side
    98,784,829.38x = 7,379,419,412,177,923
  5. Step 5: Solve for x
    x = 7,379,419,412,177,923/98,784,829.38
  6. Step 6: Final answer
    x = 74,701,950.27

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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.