Home / 209,960,151.70-314,940,227.55-82,309,335.70

Finding the Fourth Proportional to 209,960,151.70, 314,940,227.55 and 82,309,335.70

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Solution

The fourth proportional to 209,960,151.70, 314,940,227.55 and 82,309,335.70 is: 123,464,003.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,960,151.70 : 314,940,227.55 = 82,309,335.70 : x
  2. Step 2: Convert to fraction form
    209,960,151.70/314,940,227.55 = 82,309,335.70/x
  3. Step 3: Cross multiply
    209,960,151.70x = 314,940,227.55 × 82,309,335.70
  4. Step 4: Simplify right side
    209,960,151.70x = 25,922,520,914,847,340
  5. Step 5: Solve for x
    x = 25,922,520,914,847,340/209,960,151.70
  6. Step 6: Final answer
    x = 123,464,003.55

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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.