Home / 214,571,497.38-296,213,639.76-143,981,851.47

Finding the Fourth Proportional to 214,571,497.38, 296,213,639.76 and 143,981,851.47

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Solution

The fourth proportional to 214,571,497.38, 296,213,639.76 and 143,981,851.47 is: 198,765,394.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,571,497.38 : 296,213,639.76 = 143,981,851.47 : x
  2. Step 2: Convert to fraction form
    214,571,497.38/296,213,639.76 = 143,981,851.47/x
  3. Step 3: Cross multiply
    214,571,497.38x = 296,213,639.76 × 143,981,851.47
  4. Step 4: Simplify right side
    214,571,497.38x = 42,649,388,283,312,408
  5. Step 5: Solve for x
    x = 42,649,388,283,312,408/214,571,497.38
  6. Step 6: Final answer
    x = 198,765,394.30

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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.