Home / 199,322,769.20-298,984,153.80-197,979,076.40

Finding the Fourth Proportional to 199,322,769.20, 298,984,153.80 and 197,979,076.40

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Solution

The fourth proportional to 199,322,769.20, 298,984,153.80 and 197,979,076.40 is: 296,968,614.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,322,769.20 : 298,984,153.80 = 197,979,076.40 : x
  2. Step 2: Convert to fraction form
    199,322,769.20/298,984,153.80 = 197,979,076.40/x
  3. Step 3: Cross multiply
    199,322,769.20x = 298,984,153.80 × 197,979,076.40
  4. Step 4: Simplify right side
    199,322,769.20x = 59,192,606,627,559,552
  5. Step 5: Solve for x
    x = 59,192,606,627,559,552/199,322,769.20
  6. Step 6: Final answer
    x = 296,968,614.60

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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.