Home / 198,342,769.76-297,531,261.84-54,735,601.76

Finding the Fourth Proportional to 198,342,769.76, 297,531,261.84 and 54,735,601.76

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Solution

The fourth proportional to 198,342,769.76, 297,531,261.84 and 54,735,601.76 is: 82,108,123.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,342,769.76 : 297,531,261.84 = 54,735,601.76 : x
  2. Step 2: Convert to fraction form
    198,342,769.76/297,531,261.84 = 54,735,601.76/x
  3. Step 3: Cross multiply
    198,342,769.76x = 297,531,261.84 × 54,735,601.76
  4. Step 4: Simplify right side
    198,342,769.76x = 16,285,552,659,224,522
  5. Step 5: Solve for x
    x = 16,285,552,659,224,522/198,342,769.76
  6. Step 6: Final answer
    x = 82,108,123.62

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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.