Home / 199,702,051.20-299,553,076.80-192,049,300.80

Finding the Fourth Proportional to 199,702,051.20, 299,553,076.80 and 192,049,300.80

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Solution

The fourth proportional to 199,702,051.20, 299,553,076.80 and 192,049,300.80 is: 288,073,951.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,702,051.20 : 299,553,076.80 = 192,049,300.80 : x
  2. Step 2: Convert to fraction form
    199,702,051.20/299,553,076.80 = 192,049,300.80/x
  3. Step 3: Cross multiply
    199,702,051.20x = 299,553,076.80 × 192,049,300.80
  4. Step 4: Simplify right side
    199,702,051.20x = 57,528,958,951,928,704
  5. Step 5: Solve for x
    x = 57,528,958,951,928,704/199,702,051.20
  6. Step 6: Final answer
    x = 288,073,951.20

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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.