Home / 198,288,003.20-297,432,004.80-143,868,444.80

Finding the Fourth Proportional to 198,288,003.20, 297,432,004.80 and 143,868,444.80

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Solution

The fourth proportional to 198,288,003.20, 297,432,004.80 and 143,868,444.80 is: 215,802,667.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,288,003.20 : 297,432,004.80 = 143,868,444.80 : x
  2. Step 2: Convert to fraction form
    198,288,003.20/297,432,004.80 = 143,868,444.80/x
  3. Step 3: Cross multiply
    198,288,003.20x = 297,432,004.80 × 143,868,444.80
  4. Step 4: Simplify right side
    198,288,003.20x = 42,791,079,964,322,144
  5. Step 5: Solve for x
    x = 42,791,079,964,322,144/198,288,003.20
  6. Step 6: Final answer
    x = 215,802,667.20

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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.