Home / 361,922,211.10-542,904,311.85-103,156,371.10

Finding the Fourth Proportional to 361,922,211.10, 542,904,311.85 and 103,156,371.10

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Solution

The fourth proportional to 361,922,211.10, 542,904,311.85 and 103,156,371.10 is: 154,740,540.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,922,211.10 : 542,904,311.85 = 103,156,371.10 : x
  2. Step 2: Convert to fraction form
    361,922,211.10/542,904,311.85 = 103,156,371.10/x
  3. Step 3: Cross multiply
    361,922,211.10x = 542,904,311.85 × 103,156,371.10
  4. Step 4: Simplify right side
    361,922,211.10x = 56,004,038,664,988,728
  5. Step 5: Solve for x
    x = 56,004,038,664,988,728/361,922,211.10
  6. Step 6: Final answer
    x = 154,740,540.78

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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.