Home / 215,156,677.20-321,056,919.30-191,968,211.04

Finding the Fourth Proportional to 215,156,677.20, 321,056,919.30 and 191,968,211.04

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Solution

The fourth proportional to 215,156,677.20, 321,056,919.30 and 191,968,211.04 is: 286,455,076.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,156,677.20 : 321,056,919.30 = 191,968,211.04 : x
  2. Step 2: Convert to fraction form
    215,156,677.20/321,056,919.30 = 191,968,211.04/x
  3. Step 3: Cross multiply
    215,156,677.20x = 321,056,919.30 × 191,968,211.04
  4. Step 4: Simplify right side
    215,156,677.20x = 61,632,722,440,034,648
  5. Step 5: Solve for x
    x = 61,632,722,440,034,648/215,156,677.20
  6. Step 6: Final answer
    x = 286,455,076.56

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.