Home / 165,668,461.20-228,623,167.00-91,327,388.58

Finding the Fourth Proportional to 165,668,461.20, 228,623,167.00 and 91,327,388.58

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Solution

The fourth proportional to 165,668,461.20, 228,623,167.00 and 91,327,388.58 is: 126,032,176.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,668,461.20 : 228,623,167.00 = 91,327,388.58 : x
  2. Step 2: Convert to fraction form
    165,668,461.20/228,623,167.00 = 91,327,388.58/x
  3. Step 3: Cross multiply
    165,668,461.20x = 228,623,167.00 × 91,327,388.58
  4. Step 4: Simplify right side
    165,668,461.20x = 20,879,556,811,113,392
  5. Step 5: Solve for x
    x = 20,879,556,811,113,392/165,668,461.20
  6. Step 6: Final answer
    x = 126,032,176.91

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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.