Home / 168,171,238,178.08-252,257,511,719.55-40,685,725,375.72

Finding the Fourth Proportional to 168,171,238,178.08, 252,257,511,719.55 and 40,685,725,375.72

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Solution

The fourth proportional to 168,171,238,178.08, 252,257,511,719.55 and 40,685,725,375.72 is: 61,028,746,395.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,171,238,178.08 : 252,257,511,719.55 = 40,685,725,375.72 : x
  2. Step 2: Convert to fraction form
    168,171,238,178.08/252,257,511,719.55 = 40,685,725,375.72/x
  3. Step 3: Cross multiply
    168,171,238,178.08x = 252,257,511,719.55 × 40,685,725,375.72
  4. Step 4: Simplify right side
    168,171,238,178.08x = 10,263,279,845,784,080,613,376
  5. Step 5: Solve for x
    x = 10,263,279,845,784,080,613,376/168,171,238,178.08
  6. Step 6: Final answer
    x = 61,028,746,395.48

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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.