Home / 281,837,743.20-422,618,304.06-115,811,171.10

Finding the Fourth Proportional to 281,837,743.20, 422,618,304.06 and 115,811,171.10

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Solution

The fourth proportional to 281,837,743.20, 422,618,304.06 and 115,811,171.10 is: 173,659,922.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,837,743.20 : 422,618,304.06 = 115,811,171.10 : x
  2. Step 2: Convert to fraction form
    281,837,743.20/422,618,304.06 = 115,811,171.10/x
  3. Step 3: Cross multiply
    281,837,743.20x = 422,618,304.06 × 115,811,171.10
  4. Step 4: Simplify right side
    281,837,743.20x = 48,943,920,721,484,480
  5. Step 5: Solve for x
    x = 48,943,920,721,484,480/281,837,743.20
  6. Step 6: Final answer
    x = 173,659,922.78

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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.