Home / 231,530,933.16-319,516,431.30-127,118,629.80

Finding the Fourth Proportional to 231,530,933.16, 319,516,431.30 and 127,118,629.80

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Solution

The fourth proportional to 231,530,933.16, 319,516,431.30 and 127,118,629.80 is: 175,425,764.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,530,933.16 : 319,516,431.30 = 127,118,629.80 : x
  2. Step 2: Convert to fraction form
    231,530,933.16/319,516,431.30 = 127,118,629.80/x
  3. Step 3: Cross multiply
    231,530,933.16x = 319,516,431.30 × 127,118,629.80
  4. Step 4: Simplify right side
    231,530,933.16x = 40,616,490,945,441,832
  5. Step 5: Solve for x
    x = 40,616,490,945,441,832/231,530,933.16
  6. Step 6: Final answer
    x = 175,425,764.46

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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.