Home / 198,096,446.40-297,215,528.40-83,116,233.60

Finding the Fourth Proportional to 198,096,446.40, 297,215,528.40 and 83,116,233.60

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Solution

The fourth proportional to 198,096,446.40, 297,215,528.40 and 83,116,233.60 is: 124,704,080.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,096,446.40 : 297,215,528.40 = 83,116,233.60 : x
  2. Step 2: Convert to fraction form
    198,096,446.40/297,215,528.40 = 83,116,233.60/x
  3. Step 3: Cross multiply
    198,096,446.40x = 297,215,528.40 × 83,116,233.60
  4. Step 4: Simplify right side
    198,096,446.40x = 24,703,435,288,041,832
  5. Step 5: Solve for x
    x = 24,703,435,288,041,832/198,096,446.40
  6. Step 6: Final answer
    x = 124,704,080.95

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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.