Home / 261,492,447.20-360,832,872.84-161,004,927.20

Finding the Fourth Proportional to 261,492,447.20, 360,832,872.84 and 161,004,927.20

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Solution

The fourth proportional to 261,492,447.20, 360,832,872.84 and 161,004,927.20 is: 222,170,357.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,492,447.20 : 360,832,872.84 = 161,004,927.20 : x
  2. Step 2: Convert to fraction form
    261,492,447.20/360,832,872.84 = 161,004,927.20/x
  3. Step 3: Cross multiply
    261,492,447.20x = 360,832,872.84 × 161,004,927.20
  4. Step 4: Simplify right side
    261,492,447.20x = 58,095,870,422,971,048
  5. Step 5: Solve for x
    x = 58,095,870,422,971,048/261,492,447.20
  6. Step 6: Final answer
    x = 222,170,357.29

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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.