Home / 81,201,860.61-121,809,951.21-22,910,048.61

Finding the Fourth Proportional to 81,201,860.61, 121,809,951.21 and 22,910,048.61

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Solution

The fourth proportional to 81,201,860.61, 121,809,951.21 and 22,910,048.61 is: 34,367,093.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,201,860.61 : 121,809,951.21 = 22,910,048.61 : x
  2. Step 2: Convert to fraction form
    81,201,860.61/121,809,951.21 = 22,910,048.61/x
  3. Step 3: Cross multiply
    81,201,860.61x = 121,809,951.21 × 22,910,048.61
  4. Step 4: Simplify right side
    81,201,860.61x = 2,790,671,903,402,828
  5. Step 5: Solve for x
    x = 2,790,671,903,402,828/81,201,860.61
  6. Step 6: Final answer
    x = 34,367,093.10

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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.