Home / 198,156,892.86-297,117,601.92-75,344,191.02

Finding the Fourth Proportional to 198,156,892.86, 297,117,601.92 and 75,344,191.02

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Solution

The fourth proportional to 198,156,892.86, 297,117,601.92 and 75,344,191.02 is: 112,971,519.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,156,892.86 : 297,117,601.92 = 75,344,191.02 : x
  2. Step 2: Convert to fraction form
    198,156,892.86/297,117,601.92 = 75,344,191.02/x
  3. Step 3: Cross multiply
    198,156,892.86x = 297,117,601.92 × 75,344,191.02
  4. Step 4: Simplify right side
    198,156,892.86x = 22,386,085,354,464,800
  5. Step 5: Solve for x
    x = 22,386,085,354,464,800/198,156,892.86
  6. Step 6: Final answer
    x = 112,971,519.85

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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.