Home / 83,984,121-125,976,183.12-20,158,713

Finding the Fourth Proportional to 83,984,121, 125,976,183.12 and 20,158,713

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Solution

The fourth proportional to 83,984,121, 125,976,183.12 and 20,158,713 is: 30,238,069.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,984,121 : 125,976,183.12 = 20,158,713 : x
  2. Step 2: Convert to fraction form
    83,984,121/125,976,183.12 = 20,158,713/x
  3. Step 3: Cross multiply
    83,984,121x = 125,976,183.12 × 20,158,713
  4. Step 4: Simplify right side
    83,984,121x = 2,539,517,720,351,524.50
  5. Step 5: Solve for x
    x = 2,539,517,720,351,524.50/83,984,121
  6. Step 6: Final answer
    x = 30,238,069.89

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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.