Home / 194,488,998.54-268,395,621.09-105,180,940.77

Finding the Fourth Proportional to 194,488,998.54, 268,395,621.09 and 105,180,940.77

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Solution

The fourth proportional to 194,488,998.54, 268,395,621.09 and 105,180,940.77 is: 145,150,132.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,488,998.54 : 268,395,621.09 = 105,180,940.77 : x
  2. Step 2: Convert to fraction form
    194,488,998.54/268,395,621.09 = 105,180,940.77/x
  3. Step 3: Cross multiply
    194,488,998.54x = 268,395,621.09 × 105,180,940.77
  4. Step 4: Simplify right side
    194,488,998.54x = 28,230,103,924,794,652
  5. Step 5: Solve for x
    x = 28,230,103,924,794,652/194,488,998.54
  6. Step 6: Final answer
    x = 145,150,132.59

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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.