Home / 282,101,040.84-422,958,382.74-143,658,662.88

Finding the Fourth Proportional to 282,101,040.84, 422,958,382.74 and 143,658,662.88

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Solution

The fourth proportional to 282,101,040.84, 422,958,382.74 and 143,658,662.88 is: 215,389,619.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,101,040.84 : 422,958,382.74 = 143,658,662.88 : x
  2. Step 2: Convert to fraction form
    282,101,040.84/422,958,382.74 = 143,658,662.88/x
  3. Step 3: Cross multiply
    282,101,040.84x = 422,958,382.74 × 143,658,662.88
  4. Step 4: Simplify right side
    282,101,040.84x = 60,761,635,718,315,672
  5. Step 5: Solve for x
    x = 60,761,635,718,315,672/282,101,040.84
  6. Step 6: Final answer
    x = 215,389,619.04

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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.