Home / 81,202,249.79-121,810,532.31-22,910,438.39

Finding the Fourth Proportional to 81,202,249.79, 121,810,532.31 and 22,910,438.39

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Solution

The fourth proportional to 81,202,249.79, 121,810,532.31 and 22,910,438.39 is: 34,367,677.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,202,249.79 : 121,810,532.31 = 22,910,438.39 : x
  2. Step 2: Convert to fraction form
    81,202,249.79/121,810,532.31 = 22,910,438.39/x
  3. Step 3: Cross multiply
    81,202,249.79x = 121,810,532.31 × 22,910,438.39
  4. Step 4: Simplify right side
    81,202,249.79x = 2,790,732,696,045,885.50
  5. Step 5: Solve for x
    x = 2,790,732,696,045,885.50/81,202,249.79
  6. Step 6: Final answer
    x = 34,367,677.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.