Home / 198,730,813-298,096,219.50-55,123,645

Finding the Fourth Proportional to 198,730,813, 298,096,219.50 and 55,123,645

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Solution

The fourth proportional to 198,730,813, 298,096,219.50 and 55,123,645 is: 82,685,467.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,730,813 : 298,096,219.50 = 55,123,645 : x
  2. Step 2: Convert to fraction form
    198,730,813/298,096,219.50 = 55,123,645/x
  3. Step 3: Cross multiply
    198,730,813x = 298,096,219.50 × 55,123,645
  4. Step 4: Simplify right side
    198,730,813x = 16,432,150,179,560,078
  5. Step 5: Solve for x
    x = 16,432,150,179,560,078/198,730,813
  6. Step 6: Final answer
    x = 82,685,467.50

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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.