Home / 231,593,811.72-319,605,012.89-125,751,688.08

Finding the Fourth Proportional to 231,593,811.72, 319,605,012.89 and 125,751,688.08

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Solution

The fourth proportional to 231,593,811.72, 319,605,012.89 and 125,751,688.08 is: 173,540,344.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,593,811.72 : 319,605,012.89 = 125,751,688.08 : x
  2. Step 2: Convert to fraction form
    231,593,811.72/319,605,012.89 = 125,751,688.08/x
  3. Step 3: Cross multiply
    231,593,811.72x = 319,605,012.89 × 125,751,688.08
  4. Step 4: Simplify right side
    231,593,811.72x = 40,190,869,889,118,896
  5. Step 5: Solve for x
    x = 40,190,869,889,118,896/231,593,811.72
  6. Step 6: Final answer
    x = 173,540,344.58

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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.