Home / 215,079,171.60-322,618,757.40-71,472,003.60

Finding the Fourth Proportional to 215,079,171.60, 322,618,757.40 and 71,472,003.60

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Solution

The fourth proportional to 215,079,171.60, 322,618,757.40 and 71,472,003.60 is: 107,208,005.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,079,171.60 : 322,618,757.40 = 71,472,003.60 : x
  2. Step 2: Convert to fraction form
    215,079,171.60/322,618,757.40 = 71,472,003.60/x
  3. Step 3: Cross multiply
    215,079,171.60x = 322,618,757.40 × 71,472,003.60
  4. Step 4: Simplify right side
    215,079,171.60x = 23,058,208,990,320,324
  5. Step 5: Solve for x
    x = 23,058,208,990,320,324/215,079,171.60
  6. Step 6: Final answer
    x = 107,208,005.40

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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.