Home / 29,008,016.20-43,464,785.10-21,355,265.80

Finding the Fourth Proportional to 29,008,016.20, 43,464,785.10 and 21,355,265.80

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Solution

The fourth proportional to 29,008,016.20, 43,464,785.10 and 21,355,265.80 is: 31,998,121.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,008,016.20 : 43,464,785.10 = 21,355,265.80 : x
  2. Step 2: Convert to fraction form
    29,008,016.20/43,464,785.10 = 21,355,265.80/x
  3. Step 3: Cross multiply
    29,008,016.20x = 43,464,785.10 × 21,355,265.80
  4. Step 4: Simplify right side
    29,008,016.20x = 928,202,038,750,379.62
  5. Step 5: Solve for x
    x = 928,202,038,750,379.62/29,008,016.20
  6. Step 6: Final answer
    x = 31,998,121.91

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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.