Home / 197,680,493.60-296,576,727.60-61,379,655.20

Finding the Fourth Proportional to 197,680,493.60, 296,576,727.60 and 61,379,655.20

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Solution

The fourth proportional to 197,680,493.60, 296,576,727.60 and 61,379,655.20 is: 92,086,866.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,680,493.60 : 296,576,727.60 = 61,379,655.20 : x
  2. Step 2: Convert to fraction form
    197,680,493.60/296,576,727.60 = 61,379,655.20/x
  3. Step 3: Cross multiply
    197,680,493.60x = 296,576,727.60 × 61,379,655.20
  4. Step 4: Simplify right side
    197,680,493.60x = 18,203,777,280,432,324
  5. Step 5: Solve for x
    x = 18,203,777,280,432,324/197,680,493.60
  6. Step 6: Final answer
    x = 92,086,866.79

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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.