Home / 83,669,131.30-125,503,696.96-83,190,834.40

Finding the Fourth Proportional to 83,669,131.30, 125,503,696.96 and 83,190,834.40

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Solution

The fourth proportional to 83,669,131.30, 125,503,696.96 and 83,190,834.40 is: 124,786,251.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,669,131.30 : 125,503,696.96 = 83,190,834.40 : x
  2. Step 2: Convert to fraction form
    83,669,131.30/125,503,696.96 = 83,190,834.40/x
  3. Step 3: Cross multiply
    83,669,131.30x = 125,503,696.96 × 83,190,834.40
  4. Step 4: Simplify right side
    83,669,131.30x = 10,440,757,270,387,144
  5. Step 5: Solve for x
    x = 10,440,757,270,387,144/83,669,131.30
  6. Step 6: Final answer
    x = 124,786,251.61

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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.