Home / 202,377,981.46-279,281,707.85-109,558,489.30

Finding the Fourth Proportional to 202,377,981.46, 279,281,707.85 and 109,558,489.30

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Solution

The fourth proportional to 202,377,981.46, 279,281,707.85 and 109,558,489.30 is: 151,190,765.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,377,981.46 : 279,281,707.85 = 109,558,489.30 : x
  2. Step 2: Convert to fraction form
    202,377,981.46/279,281,707.85 = 109,558,489.30/x
  3. Step 3: Cross multiply
    202,377,981.46x = 279,281,707.85 × 109,558,489.30
  4. Step 4: Simplify right side
    202,377,981.46x = 30,597,682,001,169,952
  5. Step 5: Solve for x
    x = 30,597,682,001,169,952/202,377,981.46
  6. Step 6: Final answer
    x = 151,190,765.82

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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.