Home / 198,570,072.38-297,856,604.84-69,177,474.90

Finding the Fourth Proportional to 198,570,072.38, 297,856,604.84 and 69,177,474.90

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Solution

The fourth proportional to 198,570,072.38, 297,856,604.84 and 69,177,474.90 is: 103,766,733.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,570,072.38 : 297,856,604.84 = 69,177,474.90 : x
  2. Step 2: Convert to fraction form
    198,570,072.38/297,856,604.84 = 69,177,474.90/x
  3. Step 3: Cross multiply
    198,570,072.38x = 297,856,604.84 × 69,177,474.90
  4. Step 4: Simplify right side
    198,570,072.38x = 20,604,967,804,772,432
  5. Step 5: Solve for x
    x = 20,604,967,804,772,432/198,570,072.38
  6. Step 6: Final answer
    x = 103,766,733.62

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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.