Home / 115,190,163.44-158,959,373.37-68,149,663.33

Finding the Fourth Proportional to 115,190,163.44, 158,959,373.37 and 68,149,663.33

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Solution

The fourth proportional to 115,190,163.44, 158,959,373.37 and 68,149,663.33 is: 94,044,729.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,190,163.44 : 158,959,373.37 = 68,149,663.33 : x
  2. Step 2: Convert to fraction form
    115,190,163.44/158,959,373.37 = 68,149,663.33/x
  3. Step 3: Cross multiply
    115,190,163.44x = 158,959,373.37 × 68,149,663.33
  4. Step 4: Simplify right side
    115,190,163.44x = 10,833,027,777,518,472
  5. Step 5: Solve for x
    x = 10,833,027,777,518,472/115,190,163.44
  6. Step 6: Final answer
    x = 94,044,729.64

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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.