Home / 189,217,998.30-283,826,997.45-68,033,703.90

Finding the Fourth Proportional to 189,217,998.30, 283,826,997.45 and 68,033,703.90

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Solution

The fourth proportional to 189,217,998.30, 283,826,997.45 and 68,033,703.90 is: 102,050,555.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,217,998.30 : 283,826,997.45 = 68,033,703.90 : x
  2. Step 2: Convert to fraction form
    189,217,998.30/283,826,997.45 = 68,033,703.90/x
  3. Step 3: Cross multiply
    189,217,998.30x = 283,826,997.45 × 68,033,703.90
  4. Step 4: Simplify right side
    189,217,998.30x = 19,309,801,903,339,356
  5. Step 5: Solve for x
    x = 19,309,801,903,339,356/189,217,998.30
  6. Step 6: Final answer
    x = 102,050,555.85

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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.