Home / 132,489,604.16-198,755,976.64-39,126,019.20

Finding the Fourth Proportional to 132,489,604.16, 198,755,976.64 and 39,126,019.20

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Solution

The fourth proportional to 132,489,604.16, 198,755,976.64 and 39,126,019.20 is: 58,695,398.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,489,604.16 : 198,755,976.64 = 39,126,019.20 : x
  2. Step 2: Convert to fraction form
    132,489,604.16/198,755,976.64 = 39,126,019.20/x
  3. Step 3: Cross multiply
    132,489,604.16x = 198,755,976.64 × 39,126,019.20
  4. Step 4: Simplify right side
    132,489,604.16x = 7,776,530,158,131,392
  5. Step 5: Solve for x
    x = 7,776,530,158,131,392/132,489,604.16
  6. Step 6: Final answer
    x = 58,695,398.84

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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.