Home / 81,387,949.44-122,100,832.32-23,877,897.60

Finding the Fourth Proportional to 81,387,949.44, 122,100,832.32 and 23,877,897.60

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Solution

The fourth proportional to 81,387,949.44, 122,100,832.32 and 23,877,897.60 is: 35,822,393.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,387,949.44 : 122,100,832.32 = 23,877,897.60 : x
  2. Step 2: Convert to fraction form
    81,387,949.44/122,100,832.32 = 23,877,897.60/x
  3. Step 3: Cross multiply
    81,387,949.44x = 122,100,832.32 × 23,877,897.60
  4. Step 4: Simplify right side
    81,387,949.44x = 2,915,511,171,011,730.50
  5. Step 5: Solve for x
    x = 2,915,511,171,011,730.50/81,387,949.44
  6. Step 6: Final answer
    x = 35,822,393.75

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.