Home / 146,891,188.80-220,147,826.40-89,322,350.40

Finding the Fourth Proportional to 146,891,188.80, 220,147,826.40 and 89,322,350.40

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Solution

The fourth proportional to 146,891,188.80, 220,147,826.40 and 89,322,350.40 is: 133,868,623.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,891,188.80 : 220,147,826.40 = 89,322,350.40 : x
  2. Step 2: Convert to fraction form
    146,891,188.80/220,147,826.40 = 89,322,350.40/x
  3. Step 3: Cross multiply
    146,891,188.80x = 220,147,826.40 × 89,322,350.40
  4. Step 4: Simplify right side
    146,891,188.80x = 19,664,121,289,499,172
  5. Step 5: Solve for x
    x = 19,664,121,289,499,172/146,891,188.80
  6. Step 6: Final answer
    x = 133,868,623.78

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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.