Home / 168,439,374.80-252,659,062.20-102,965,843.60

Finding the Fourth Proportional to 168,439,374.80, 252,659,062.20 and 102,965,843.60

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Solution

The fourth proportional to 168,439,374.80, 252,659,062.20 and 102,965,843.60 is: 154,448,765.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,439,374.80 : 252,659,062.20 = 102,965,843.60 : x
  2. Step 2: Convert to fraction form
    168,439,374.80/252,659,062.20 = 102,965,843.60/x
  3. Step 3: Cross multiply
    168,439,374.80x = 252,659,062.20 × 102,965,843.60
  4. Step 4: Simplify right side
    168,439,374.80x = 26,015,253,482,607,868
  5. Step 5: Solve for x
    x = 26,015,253,482,607,868/168,439,374.80
  6. Step 6: Final answer
    x = 154,448,765.40

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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.