Home / 165,950,809.31-229,006,111.57-91,609,773.14

Finding the Fourth Proportional to 165,950,809.31, 229,006,111.57 and 91,609,773.14

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Solution

The fourth proportional to 165,950,809.31, 229,006,111.57 and 91,609,773.14 is: 126,418,171.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,950,809.31 : 229,006,111.57 = 91,609,773.14 : x
  2. Step 2: Convert to fraction form
    165,950,809.31/229,006,111.57 = 91,609,773.14/x
  3. Step 3: Cross multiply
    165,950,809.31x = 229,006,111.57 × 91,609,773.14
  4. Step 4: Simplify right side
    165,950,809.31x = 20,979,197,928,601,228
  5. Step 5: Solve for x
    x = 20,979,197,928,601,228/165,950,809.31
  6. Step 6: Final answer
    x = 126,418,171.84

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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.