Home / 50,372,216.80-75,726,286.80-42,981,906.40

Finding the Fourth Proportional to 50,372,216.80, 75,726,286.80 and 42,981,906.40

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Solution

The fourth proportional to 50,372,216.80, 75,726,286.80 and 42,981,906.40 is: 64,616,178.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,372,216.80 : 75,726,286.80 = 42,981,906.40 : x
  2. Step 2: Convert to fraction form
    50,372,216.80/75,726,286.80 = 42,981,906.40/x
  3. Step 3: Cross multiply
    50,372,216.80x = 75,726,286.80 × 42,981,906.40
  4. Step 4: Simplify right side
    50,372,216.80x = 3,254,860,171,257,155.50
  5. Step 5: Solve for x
    x = 3,254,860,171,257,155.50/50,372,216.80
  6. Step 6: Final answer
    x = 64,616,178.88

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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.