Home / 215,687,067.30-323,530,600.95-100,683,234.90

Finding the Fourth Proportional to 215,687,067.30, 323,530,600.95 and 100,683,234.90

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Solution

The fourth proportional to 215,687,067.30, 323,530,600.95 and 100,683,234.90 is: 151,024,852.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,687,067.30 : 323,530,600.95 = 100,683,234.90 : x
  2. Step 2: Convert to fraction form
    215,687,067.30/323,530,600.95 = 100,683,234.90/x
  3. Step 3: Cross multiply
    215,687,067.30x = 323,530,600.95 × 100,683,234.90
  4. Step 4: Simplify right side
    215,687,067.30x = 32,574,107,492,787,012
  5. Step 5: Solve for x
    x = 32,574,107,492,787,012/215,687,067.30
  6. Step 6: Final answer
    x = 151,024,852.35

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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.