Home / 213,568,084.20-320,349,801.24-162,068,941.74

Finding the Fourth Proportional to 213,568,084.20, 320,349,801.24 and 162,068,941.74

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Solution

The fourth proportional to 213,568,084.20, 320,349,801.24 and 162,068,941.74 is: 243,101,648.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,568,084.20 : 320,349,801.24 = 162,068,941.74 : x
  2. Step 2: Convert to fraction form
    213,568,084.20/320,349,801.24 = 162,068,941.74/x
  3. Step 3: Cross multiply
    213,568,084.20x = 320,349,801.24 × 162,068,941.74
  4. Step 4: Simplify right side
    213,568,084.20x = 51,918,753,273,586,144
  5. Step 5: Solve for x
    x = 51,918,753,273,586,144/213,568,084.20
  6. Step 6: Final answer
    x = 243,101,648.21

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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.