Home / 78,336,007.20-117,504,010.80-32,882,695.20

Finding the Fourth Proportional to 78,336,007.20, 117,504,010.80 and 32,882,695.20

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Solution

The fourth proportional to 78,336,007.20, 117,504,010.80 and 32,882,695.20 is: 49,324,042.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,336,007.20 : 117,504,010.80 = 32,882,695.20 : x
  2. Step 2: Convert to fraction form
    78,336,007.20/117,504,010.80 = 32,882,695.20/x
  3. Step 3: Cross multiply
    78,336,007.20x = 117,504,010.80 × 32,882,695.20
  4. Step 4: Simplify right side
    78,336,007.20x = 3,863,848,571,913,908
  5. Step 5: Solve for x
    x = 3,863,848,571,913,908/78,336,007.20
  6. Step 6: Final answer
    x = 49,324,042.80

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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.