Home / 252,364,645.80-378,546,968.70-108,757,477.80

Finding the Fourth Proportional to 252,364,645.80, 378,546,968.70 and 108,757,477.80

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Solution

The fourth proportional to 252,364,645.80, 378,546,968.70 and 108,757,477.80 is: 163,136,216.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,364,645.80 : 378,546,968.70 = 108,757,477.80 : x
  2. Step 2: Convert to fraction form
    252,364,645.80/378,546,968.70 = 108,757,477.80/x
  3. Step 3: Cross multiply
    252,364,645.80x = 378,546,968.70 × 108,757,477.80
  4. Step 4: Simplify right side
    252,364,645.80x = 41,169,813,544,647,544
  5. Step 5: Solve for x
    x = 41,169,813,544,647,544/252,364,645.80
  6. Step 6: Final answer
    x = 163,136,216.70

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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.