Home / 215,274,234.32-296,985,248.52-131,646,021.20

Finding the Fourth Proportional to 215,274,234.32, 296,985,248.52 and 131,646,021.20

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Solution

The fourth proportional to 215,274,234.32, 296,985,248.52 and 131,646,021.20 is: 181,614,518.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,274,234.32 : 296,985,248.52 = 131,646,021.20 : x
  2. Step 2: Convert to fraction form
    215,274,234.32/296,985,248.52 = 131,646,021.20/x
  3. Step 3: Cross multiply
    215,274,234.32x = 296,985,248.52 × 131,646,021.20
  4. Step 4: Simplify right side
    215,274,234.32x = 39,096,926,322,751,184
  5. Step 5: Solve for x
    x = 39,096,926,322,751,184/215,274,234.32
  6. Step 6: Final answer
    x = 181,614,518.09

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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.