Home / 206,165,108.21-309,471,742.34-83,427,927.17

Finding the Fourth Proportional to 206,165,108.21, 309,471,742.34 and 83,427,927.17

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Solution

The fourth proportional to 206,165,108.21, 309,471,742.34 and 83,427,927.17 is: 125,232,568.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,165,108.21 : 309,471,742.34 = 83,427,927.17 : x
  2. Step 2: Convert to fraction form
    206,165,108.21/309,471,742.34 = 83,427,927.17/x
  3. Step 3: Cross multiply
    206,165,108.21x = 309,471,742.34 × 83,427,927.17
  4. Step 4: Simplify right side
    206,165,108.21x = 25,818,585,981,114,524
  5. Step 5: Solve for x
    x = 25,818,585,981,114,524/206,165,108.21
  6. Step 6: Final answer
    x = 125,232,568.23

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.