Home / 83,480,380.80-125,220,571.20-57,971,212.80

Finding the Fourth Proportional to 83,480,380.80, 125,220,571.20 and 57,971,212.80

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Solution

The fourth proportional to 83,480,380.80, 125,220,571.20 and 57,971,212.80 is: 86,956,819.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,480,380.80 : 125,220,571.20 = 57,971,212.80 : x
  2. Step 2: Convert to fraction form
    83,480,380.80/125,220,571.20 = 57,971,212.80/x
  3. Step 3: Cross multiply
    83,480,380.80x = 125,220,571.20 × 57,971,212.80
  4. Step 4: Simplify right side
    83,480,380.80x = 7,259,188,379,972,751
  5. Step 5: Solve for x
    x = 7,259,188,379,972,751/83,480,380.80
  6. Step 6: Final answer
    x = 86,956,819.20

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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.