Home / 117,027,923.30-161,607,092.46-87,608,180.60

Finding the Fourth Proportional to 117,027,923.30, 161,607,092.46 and 87,608,180.60

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Solution

The fourth proportional to 117,027,923.30, 161,607,092.46 and 87,608,180.60 is: 120,980,556.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,027,923.30 : 161,607,092.46 = 87,608,180.60 : x
  2. Step 2: Convert to fraction form
    117,027,923.30/161,607,092.46 = 87,608,180.60/x
  3. Step 3: Cross multiply
    117,027,923.30x = 161,607,092.46 × 87,608,180.60
  4. Step 4: Simplify right side
    117,027,923.30x = 14,158,103,342,476,578
  5. Step 5: Solve for x
    x = 14,158,103,342,476,578/117,027,923.30
  6. Step 6: Final answer
    x = 120,980,556.98

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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.