Home / 282,100,575.84-422,957,685.24-143,658,197.88

Finding the Fourth Proportional to 282,100,575.84, 422,957,685.24 and 143,658,197.88

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Solution

The fourth proportional to 282,100,575.84, 422,957,685.24 and 143,658,197.88 is: 215,388,921.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,100,575.84 : 422,957,685.24 = 143,658,197.88 : x
  2. Step 2: Convert to fraction form
    282,100,575.84/422,957,685.24 = 143,658,197.88/x
  3. Step 3: Cross multiply
    282,100,575.84x = 422,957,685.24 × 143,658,197.88
  4. Step 4: Simplify right side
    282,100,575.84x = 60,761,338,841,074,672
  5. Step 5: Solve for x
    x = 60,761,338,841,074,672/282,100,575.84
  6. Step 6: Final answer
    x = 215,388,921.70

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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.