Home / 283,795,770.25-425,910,932.49-128,458,665.59

Finding the Fourth Proportional to 283,795,770.25, 425,910,932.49 and 128,458,665.59

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Solution

The fourth proportional to 283,795,770.25, 425,910,932.49 and 128,458,665.59 is: 192,786,347.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,795,770.25 : 425,910,932.49 = 128,458,665.59 : x
  2. Step 2: Convert to fraction form
    283,795,770.25/425,910,932.49 = 128,458,665.59/x
  3. Step 3: Cross multiply
    283,795,770.25x = 425,910,932.49 × 128,458,665.59
  4. Step 4: Simplify right side
    283,795,770.25x = 54,711,950,048,608,016
  5. Step 5: Solve for x
    x = 54,711,950,048,608,016/283,795,770.25
  6. Step 6: Final answer
    x = 192,786,347.73

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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.