Home / 150,086,785.80-225,168,993.48-87,890,626.38

Finding the Fourth Proportional to 150,086,785.80, 225,168,993.48 and 87,890,626.38

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Solution

The fourth proportional to 150,086,785.80, 225,168,993.48 and 87,890,626.38 is: 131,858,669.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,086,785.80 : 225,168,993.48 = 87,890,626.38 : x
  2. Step 2: Convert to fraction form
    150,086,785.80/225,168,993.48 = 87,890,626.38/x
  3. Step 3: Cross multiply
    150,086,785.80x = 225,168,993.48 × 87,890,626.38
  4. Step 4: Simplify right side
    150,086,785.80x = 19,790,243,878,311,332
  5. Step 5: Solve for x
    x = 19,790,243,878,311,332/150,086,785.80
  6. Step 6: Final answer
    x = 131,858,669.45

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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.