Home / 214,571,503.38-296,213,648.07-143,981,857.50

Finding the Fourth Proportional to 214,571,503.38, 296,213,648.07 and 143,981,857.50

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Solution

The fourth proportional to 214,571,503.38, 296,213,648.07 and 143,981,857.50 is: 198,765,402.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,571,503.38 : 296,213,648.07 = 143,981,857.50 : x
  2. Step 2: Convert to fraction form
    214,571,503.38/296,213,648.07 = 143,981,857.50/x
  3. Step 3: Cross multiply
    214,571,503.38x = 296,213,648.07 × 143,981,857.50
  4. Step 4: Simplify right side
    214,571,503.38x = 42,649,391,265,969,888
  5. Step 5: Solve for x
    x = 42,649,391,265,969,888/214,571,503.38
  6. Step 6: Final answer
    x = 198,765,402.65

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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.