Home / 213,995,920.89-320,892,706.62-82,899,598.17

Finding the Fourth Proportional to 213,995,920.89, 320,892,706.62 and 82,899,598.17

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Solution

The fourth proportional to 213,995,920.89, 320,892,706.62 and 82,899,598.17 is: 124,310,203.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,995,920.89 : 320,892,706.62 = 82,899,598.17 : x
  2. Step 2: Convert to fraction form
    213,995,920.89/320,892,706.62 = 82,899,598.17/x
  3. Step 3: Cross multiply
    213,995,920.89x = 320,892,706.62 × 82,899,598.17
  4. Step 4: Simplify right side
    213,995,920.89x = 26,601,876,434,481,700
  5. Step 5: Solve for x
    x = 26,601,876,434,481,700/213,995,920.89
  6. Step 6: Final answer
    x = 124,310,203.32

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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.