Home / 202,377,982.46-279,281,709.23-109,558,490.30

Finding the Fourth Proportional to 202,377,982.46, 279,281,709.23 and 109,558,490.30

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Solution

The fourth proportional to 202,377,982.46, 279,281,709.23 and 109,558,490.30 is: 151,190,767.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,377,982.46 : 279,281,709.23 = 109,558,490.30 : x
  2. Step 2: Convert to fraction form
    202,377,982.46/279,281,709.23 = 109,558,490.30/x
  3. Step 3: Cross multiply
    202,377,982.46x = 279,281,709.23 × 109,558,490.30
  4. Step 4: Simplify right side
    202,377,982.46x = 30,597,682,431,642,376
  5. Step 5: Solve for x
    x = 30,597,682,431,642,376/202,377,982.46
  6. Step 6: Final answer
    x = 151,190,767.20

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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.