Home / 210,026,736.30-315,040,104.45-181,305,302.70

Finding the Fourth Proportional to 210,026,736.30, 315,040,104.45 and 181,305,302.70

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Solution

The fourth proportional to 210,026,736.30, 315,040,104.45 and 181,305,302.70 is: 271,957,954.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,026,736.30 : 315,040,104.45 = 181,305,302.70 : x
  2. Step 2: Convert to fraction form
    210,026,736.30/315,040,104.45 = 181,305,302.70/x
  3. Step 3: Cross multiply
    210,026,736.30x = 315,040,104.45 × 181,305,302.70
  4. Step 4: Simplify right side
    210,026,736.30x = 57,118,441,499,946,864
  5. Step 5: Solve for x
    x = 57,118,441,499,946,864/210,026,736.30
  6. Step 6: Final answer
    x = 271,957,954.05

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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.