Home / 77,906,263.80-107,491,328.46-50,371,059

Finding the Fourth Proportional to 77,906,263.80, 107,491,328.46 and 50,371,059

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Solution

The fourth proportional to 77,906,263.80, 107,491,328.46 and 50,371,059 is: 69,499,572.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,906,263.80 : 107,491,328.46 = 50,371,059 : x
  2. Step 2: Convert to fraction form
    77,906,263.80/107,491,328.46 = 50,371,059/x
  3. Step 3: Cross multiply
    77,906,263.80x = 107,491,328.46 × 50,371,059
  4. Step 4: Simplify right side
    77,906,263.80x = 5,414,452,047,847,039
  5. Step 5: Solve for x
    x = 5,414,452,047,847,039/77,906,263.80
  6. Step 6: Final answer
    x = 69,499,572.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.