Home / 124,897,880.22-172,377,198.81-71,964,286.26

Finding the Fourth Proportional to 124,897,880.22, 172,377,198.81 and 71,964,286.26

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Solution

The fourth proportional to 124,897,880.22, 172,377,198.81 and 71,964,286.26 is: 99,321,157.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,897,880.22 : 172,377,198.81 = 71,964,286.26 : x
  2. Step 2: Convert to fraction form
    124,897,880.22/172,377,198.81 = 71,964,286.26/x
  3. Step 3: Cross multiply
    124,897,880.22x = 172,377,198.81 × 71,964,286.26
  4. Step 4: Simplify right side
    124,897,880.22x = 12,405,002,079,859,772
  5. Step 5: Solve for x
    x = 12,405,002,079,859,772/124,897,880.22
  6. Step 6: Final answer
    x = 99,321,157.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.