Home / 137,044,403.91-188,912,055.92-84,022,950.66

Finding the Fourth Proportional to 137,044,403.91, 188,912,055.92 and 84,022,950.66

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Solution

The fourth proportional to 137,044,403.91, 188,912,055.92 and 84,022,950.66 is: 115,823,396.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,044,403.91 : 188,912,055.92 = 84,022,950.66 : x
  2. Step 2: Convert to fraction form
    137,044,403.91/188,912,055.92 = 84,022,950.66/x
  3. Step 3: Cross multiply
    137,044,403.91x = 188,912,055.92 × 84,022,950.66
  4. Step 4: Simplify right side
    137,044,403.91x = 15,872,948,353,225,204
  5. Step 5: Solve for x
    x = 15,872,948,353,225,204/137,044,403.91
  6. Step 6: Final answer
    x = 115,823,396.65

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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.