Home / 168,978,817,668.30-253,468,226,502.45-141,704,415,242.70

Finding the Fourth Proportional to 168,978,817,668.30, 253,468,226,502.45 and 141,704,415,242.70

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Solution

The fourth proportional to 168,978,817,668.30, 253,468,226,502.45 and 141,704,415,242.70 is: 212,556,622,864.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,978,817,668.30 : 253,468,226,502.45 = 141,704,415,242.70 : x
  2. Step 2: Convert to fraction form
    168,978,817,668.30/253,468,226,502.45 = 141,704,415,242.70/x
  3. Step 3: Cross multiply
    168,978,817,668.30x = 253,468,226,502.45 × 141,704,415,242.70
  4. Step 4: Simplify right side
    168,978,817,668.30x = 35,917,566,819,133,915,398,144
  5. Step 5: Solve for x
    x = 35,917,566,819,133,915,398,144/168,978,817,668.30
  6. Step 6: Final answer
    x = 212,556,622,864.05

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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.