Home / 165,950,632.16-229,015,541.52-91,611,020.96

Finding the Fourth Proportional to 165,950,632.16, 229,015,541.52 and 91,611,020.96

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Solution

The fourth proportional to 165,950,632.16, 229,015,541.52 and 91,611,020.96 is: 126,425,234.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,950,632.16 : 229,015,541.52 = 91,611,020.96 : x
  2. Step 2: Convert to fraction form
    165,950,632.16/229,015,541.52 = 91,611,020.96/x
  3. Step 3: Cross multiply
    165,950,632.16x = 229,015,541.52 × 91,611,020.96
  4. Step 4: Simplify right side
    165,950,632.16x = 20,980,347,574,354,468
  5. Step 5: Solve for x
    x = 20,980,347,574,354,468/165,950,632.16
  6. Step 6: Final answer
    x = 126,425,234.43

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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.