Home / 206,478,072.73-284,945,613.97-112,398,286.80

Finding the Fourth Proportional to 206,478,072.73, 284,945,613.97 and 112,398,286.80

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Solution

The fourth proportional to 206,478,072.73, 284,945,613.97 and 112,398,286.80 is: 155,112,833.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,478,072.73 : 284,945,613.97 = 112,398,286.80 : x
  2. Step 2: Convert to fraction form
    206,478,072.73/284,945,613.97 = 112,398,286.80/x
  3. Step 3: Cross multiply
    206,478,072.73x = 284,945,613.97 × 112,398,286.80
  4. Step 4: Simplify right side
    206,478,072.73x = 32,027,398,841,402,148
  5. Step 5: Solve for x
    x = 32,027,398,841,402,148/206,478,072.73
  6. Step 6: Final answer
    x = 155,112,833.13

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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.