Home / 168,978,816,076.80-253,468,224,115.20-141,704,413,651.20

Finding the Fourth Proportional to 168,978,816,076.80, 253,468,224,115.20 and 141,704,413,651.20

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Solution

The fourth proportional to 168,978,816,076.80, 253,468,224,115.20 and 141,704,413,651.20 is: 212,556,620,476.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,978,816,076.80 : 253,468,224,115.20 = 141,704,413,651.20 : x
  2. Step 2: Convert to fraction form
    168,978,816,076.80/253,468,224,115.20 = 141,704,413,651.20/x
  3. Step 3: Cross multiply
    168,978,816,076.80x = 253,468,224,115.20 × 141,704,413,651.20
  4. Step 4: Simplify right side
    168,978,816,076.80x = 35,917,566,077,455,373,959,168
  5. Step 5: Solve for x
    x = 35,917,566,077,455,373,959,168/168,978,816,076.80
  6. Step 6: Final answer
    x = 212,556,620,476.80

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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.