Home / 81,202,341.26-121,810,669.54-22,910,529.87

Finding the Fourth Proportional to 81,202,341.26, 121,810,669.54 and 22,910,529.87

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Solution

The fourth proportional to 81,202,341.26, 121,810,669.54 and 22,910,529.87 is: 34,367,814.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,202,341.26 : 121,810,669.54 = 22,910,529.87 : x
  2. Step 2: Convert to fraction form
    81,202,341.26/121,810,669.54 = 22,910,529.87/x
  3. Step 3: Cross multiply
    81,202,341.26x = 121,810,669.54 × 22,910,529.87
  4. Step 4: Simplify right side
    81,202,341.26x = 2,790,746,982,923,593
  5. Step 5: Solve for x
    x = 2,790,746,982,923,593/81,202,341.26
  6. Step 6: Final answer
    x = 34,367,814.27

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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.