Home / 81,201,859.61-121,809,949.71-22,910,047.61

Finding the Fourth Proportional to 81,201,859.61, 121,809,949.71 and 22,910,047.61

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Solution

The fourth proportional to 81,201,859.61, 121,809,949.71 and 22,910,047.61 is: 34,367,091.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,201,859.61 : 121,809,949.71 = 22,910,047.61 : x
  2. Step 2: Convert to fraction form
    81,201,859.61/121,809,949.71 = 22,910,047.61/x
  3. Step 3: Cross multiply
    81,201,859.61x = 121,809,949.71 × 22,910,047.61
  4. Step 4: Simplify right side
    81,201,859.61x = 2,790,671,746,532,843.50
  5. Step 5: Solve for x
    x = 2,790,671,746,532,843.50/81,201,859.61
  6. Step 6: Final answer
    x = 34,367,091.59

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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.