Home / 77,863,286.04-107,415,619.74-50,370,080.28

Finding the Fourth Proportional to 77,863,286.04, 107,415,619.74 and 50,370,080.28

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Solution

The fourth proportional to 77,863,286.04, 107,415,619.74 and 50,370,080.28 is: 69,487,606.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,863,286.04 : 107,415,619.74 = 50,370,080.28 : x
  2. Step 2: Convert to fraction form
    77,863,286.04/107,415,619.74 = 50,370,080.28/x
  3. Step 3: Cross multiply
    77,863,286.04x = 107,415,619.74 × 50,370,080.28
  4. Step 4: Simplify right side
    77,863,286.04x = 5,410,533,389,629,753
  5. Step 5: Solve for x
    x = 5,410,533,389,629,753/77,863,286.04
  6. Step 6: Final answer
    x = 69,487,606.61

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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.