Home / 198,377,326.72-297,569,052.24-75,562,492.96

Finding the Fourth Proportional to 198,377,326.72, 297,569,052.24 and 75,562,492.96

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Solution

The fourth proportional to 198,377,326.72, 297,569,052.24 and 75,562,492.96 is: 113,344,905.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,377,326.72 : 297,569,052.24 = 75,562,492.96 : x
  2. Step 2: Convert to fraction form
    198,377,326.72/297,569,052.24 = 75,562,492.96/x
  3. Step 3: Cross multiply
    198,377,326.72x = 297,569,052.24 × 75,562,492.96
  4. Step 4: Simplify right side
    198,377,326.72x = 22,485,059,414,998,872
  5. Step 5: Solve for x
    x = 22,485,059,414,998,872/198,377,326.72
  6. Step 6: Final answer
    x = 113,344,905.83

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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.