Home / 71,816,286.78-107,739,561.46-23,290,356.78

Finding the Fourth Proportional to 71,816,286.78, 107,739,561.46 and 23,290,356.78

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Solution

The fourth proportional to 71,816,286.78, 107,739,561.46 and 23,290,356.78 is: 34,940,442.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,816,286.78 : 107,739,561.46 = 23,290,356.78 : x
  2. Step 2: Convert to fraction form
    71,816,286.78/107,739,561.46 = 23,290,356.78/x
  3. Step 3: Cross multiply
    71,816,286.78x = 107,739,561.46 × 23,290,356.78
  4. Step 4: Simplify right side
    71,816,286.78x = 2,509,292,825,724,137.50
  5. Step 5: Solve for x
    x = 2,509,292,825,724,137.50/71,816,286.78
  6. Step 6: Final answer
    x = 34,940,442.32

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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.