Home / 223,236,988.91-308,070,625.96-122,769,396.46

Finding the Fourth Proportional to 223,236,988.91, 308,070,625.96 and 122,769,396.46

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Solution

The fourth proportional to 223,236,988.91, 308,070,625.96 and 122,769,396.46 is: 169,423,736.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,236,988.91 : 308,070,625.96 = 122,769,396.46 : x
  2. Step 2: Convert to fraction form
    223,236,988.91/308,070,625.96 = 122,769,396.46/x
  3. Step 3: Cross multiply
    223,236,988.91x = 308,070,625.96 × 122,769,396.46
  4. Step 4: Simplify right side
    223,236,988.91x = 37,821,644,816,703,392
  5. Step 5: Solve for x
    x = 37,821,644,816,703,392/223,236,988.91
  6. Step 6: Final answer
    x = 169,423,736.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.