Home / 199,589,002.20-299,383,503.30-145,841,290.20

Finding the Fourth Proportional to 199,589,002.20, 299,383,503.30 and 145,841,290.20

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Solution

The fourth proportional to 199,589,002.20, 299,383,503.30 and 145,841,290.20 is: 218,761,935.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,589,002.20 : 299,383,503.30 = 145,841,290.20 : x
  2. Step 2: Convert to fraction form
    199,589,002.20/299,383,503.30 = 145,841,290.20/x
  3. Step 3: Cross multiply
    199,589,002.20x = 299,383,503.30 × 145,841,290.20
  4. Step 4: Simplify right side
    199,589,002.20x = 43,662,476,385,867,952
  5. Step 5: Solve for x
    x = 43,662,476,385,867,952/199,589,002.20
  6. Step 6: Final answer
    x = 218,761,935.30

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Similar ratio
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1.5x scale

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.