Home / 164,515,778.20-227,031,795.42-91,181,654.68

Finding the Fourth Proportional to 164,515,778.20, 227,031,795.42 and 91,181,654.68

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Solution

The fourth proportional to 164,515,778.20, 227,031,795.42 and 91,181,654.68 is: 125,830,695.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,515,778.20 : 227,031,795.42 = 91,181,654.68 : x
  2. Step 2: Convert to fraction form
    164,515,778.20/227,031,795.42 = 91,181,654.68/x
  3. Step 3: Cross multiply
    164,515,778.20x = 227,031,795.42 × 91,181,654.68
  4. Step 4: Simplify right side
    164,515,778.20x = 20,701,134,771,366,844
  5. Step 5: Solve for x
    x = 20,701,134,771,366,844/164,515,778.20
  6. Step 6: Final answer
    x = 125,830,695.38

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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.