Home / 168,978,818,004.80-253,468,227,007.20-141,704,415,579.20

Finding the Fourth Proportional to 168,978,818,004.80, 253,468,227,007.20 and 141,704,415,579.20

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Solution

The fourth proportional to 168,978,818,004.80, 253,468,227,007.20 and 141,704,415,579.20 is: 212,556,623,368.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,978,818,004.80 : 253,468,227,007.20 = 141,704,415,579.20 : x
  2. Step 2: Convert to fraction form
    168,978,818,004.80/253,468,227,007.20 = 141,704,415,579.20/x
  3. Step 3: Cross multiply
    168,978,818,004.80x = 253,468,227,007.20 × 141,704,415,579.20
  4. Step 4: Simplify right side
    168,978,818,004.80x = 35,917,566,975,951,278,964,736
  5. Step 5: Solve for x
    x = 35,917,566,975,951,278,964,736/168,978,818,004.80
  6. Step 6: Final answer
    x = 212,556,623,368.80

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1.5x scale

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.