Home / 261,492,532.20-360,832,990.18-161,005,012.20

Finding the Fourth Proportional to 261,492,532.20, 360,832,990.18 and 161,005,012.20

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Solution

The fourth proportional to 261,492,532.20, 360,832,990.18 and 161,005,012.20 is: 222,170,474.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,492,532.20 : 360,832,990.18 = 161,005,012.20 : x
  2. Step 2: Convert to fraction form
    261,492,532.20/360,832,990.18 = 161,005,012.20/x
  3. Step 3: Cross multiply
    261,492,532.20x = 360,832,990.18 × 161,005,012.20
  4. Step 4: Simplify right side
    261,492,532.20x = 58,095,919,986,093,376
  5. Step 5: Solve for x
    x = 58,095,919,986,093,376/261,492,532.20
  6. Step 6: Final answer
    x = 222,170,474.61

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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.