Home / 308,120,436.24-462,180,626.30-135,597,249.69

Finding the Fourth Proportional to 308,120,436.24, 462,180,626.30 and 135,597,249.69

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Solution

The fourth proportional to 308,120,436.24, 462,180,626.30 and 135,597,249.69 is: 203,395,862.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,120,436.24 : 462,180,626.30 = 135,597,249.69 : x
  2. Step 2: Convert to fraction form
    308,120,436.24/462,180,626.30 = 135,597,249.69/x
  3. Step 3: Cross multiply
    308,120,436.24x = 462,180,626.30 × 135,597,249.69
  4. Step 4: Simplify right side
    308,120,436.24x = 62,670,421,786,281,680
  5. Step 5: Solve for x
    x = 62,670,421,786,281,680/308,120,436.24
  6. Step 6: Final answer
    x = 203,395,862.19

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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.