Home / 165,950,633.16-229,015,542.90-91,611,021.96

Finding the Fourth Proportional to 165,950,633.16, 229,015,542.90 and 91,611,021.96

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Solution

The fourth proportional to 165,950,633.16, 229,015,542.90 and 91,611,021.96 is: 126,425,235.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,950,633.16 : 229,015,542.90 = 91,611,021.96 : x
  2. Step 2: Convert to fraction form
    165,950,633.16/229,015,542.90 = 91,611,021.96/x
  3. Step 3: Cross multiply
    165,950,633.16x = 229,015,542.90 × 91,611,021.96
  4. Step 4: Simplify right side
    165,950,633.16x = 20,980,347,929,793,220
  5. Step 5: Solve for x
    x = 20,980,347,929,793,220/165,950,633.16
  6. Step 6: Final answer
    x = 126,425,235.81

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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.