Home / 198,521,718.30-297,782,577.45-152,605,215.90

Finding the Fourth Proportional to 198,521,718.30, 297,782,577.45 and 152,605,215.90

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Solution

The fourth proportional to 198,521,718.30, 297,782,577.45 and 152,605,215.90 is: 228,907,823.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,521,718.30 : 297,782,577.45 = 152,605,215.90 : x
  2. Step 2: Convert to fraction form
    198,521,718.30/297,782,577.45 = 152,605,215.90/x
  3. Step 3: Cross multiply
    198,521,718.30x = 297,782,577.45 × 152,605,215.90
  4. Step 4: Simplify right side
    198,521,718.30x = 45,443,174,523,015,720
  5. Step 5: Solve for x
    x = 45,443,174,523,015,720/198,521,718.30
  6. Step 6: Final answer
    x = 228,907,823.85

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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.