Home / 222,848,654.31-307,540,747.76-123,729,406.59

Finding the Fourth Proportional to 222,848,654.31, 307,540,747.76 and 123,729,406.59

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Solution

The fourth proportional to 222,848,654.31, 307,540,747.76 and 123,729,406.59 is: 170,751,913.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,848,654.31 : 307,540,747.76 = 123,729,406.59 : x
  2. Step 2: Convert to fraction form
    222,848,654.31/307,540,747.76 = 123,729,406.59/x
  3. Step 3: Cross multiply
    222,848,654.31x = 307,540,747.76 × 123,729,406.59
  4. Step 4: Simplify right side
    222,848,654.31x = 38,051,834,222,898,992
  5. Step 5: Solve for x
    x = 38,051,834,222,898,992/222,848,654.31
  6. Step 6: Final answer
    x = 170,751,913.85

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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.