Home / 261,492,446.20-360,832,871.46-161,004,926.20

Finding the Fourth Proportional to 261,492,446.20, 360,832,871.46 and 161,004,926.20

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Solution

The fourth proportional to 261,492,446.20, 360,832,871.46 and 161,004,926.20 is: 222,170,355.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,492,446.20 : 360,832,871.46 = 161,004,926.20 : x
  2. Step 2: Convert to fraction form
    261,492,446.20/360,832,871.46 = 161,004,926.20/x
  3. Step 3: Cross multiply
    261,492,446.20x = 360,832,871.46 × 161,004,926.20
  4. Step 4: Simplify right side
    261,492,446.20x = 58,095,869,839,951,376
  5. Step 5: Solve for x
    x = 58,095,869,839,951,376/261,492,446.20
  6. Step 6: Final answer
    x = 222,170,355.91

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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.