Home / 90,857,891.63-125,383,243.78-49,604,784.41

Finding the Fourth Proportional to 90,857,891.63, 125,383,243.78 and 49,604,784.41

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Solution

The fourth proportional to 90,857,891.63, 125,383,243.78 and 49,604,784.41 is: 68,454,249.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,857,891.63 : 125,383,243.78 = 49,604,784.41 : x
  2. Step 2: Convert to fraction form
    90,857,891.63/125,383,243.78 = 49,604,784.41/x
  3. Step 3: Cross multiply
    90,857,891.63x = 125,383,243.78 × 49,604,784.41
  4. Step 4: Simplify right side
    90,857,891.63x = 6,219,608,776,708,838
  5. Step 5: Solve for x
    x = 6,219,608,776,708,838/90,857,891.63
  6. Step 6: Final answer
    x = 68,454,249.43

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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.