Home / 83,669,131.80-125,503,697.70-83,190,834.90

Finding the Fourth Proportional to 83,669,131.80, 125,503,697.70 and 83,190,834.90

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Solution

The fourth proportional to 83,669,131.80, 125,503,697.70 and 83,190,834.90 is: 124,786,252.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,669,131.80 : 125,503,697.70 = 83,190,834.90 : x
  2. Step 2: Convert to fraction form
    83,669,131.80/125,503,697.70 = 83,190,834.90/x
  3. Step 3: Cross multiply
    83,669,131.80x = 125,503,697.70 × 83,190,834.90
  4. Step 4: Simplify right side
    83,669,131.80x = 10,440,757,394,700,210
  5. Step 5: Solve for x
    x = 10,440,757,394,700,210/83,669,131.80
  6. Step 6: Final answer
    x = 124,786,252.35

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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.