Home / 215,595,912.20-323,407,865.10-113,559,240.20

Finding the Fourth Proportional to 215,595,912.20, 323,407,865.10 and 113,559,240.20

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Solution

The fourth proportional to 215,595,912.20, 323,407,865.10 and 113,559,240.20 is: 170,346,232.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,595,912.20 : 323,407,865.10 = 113,559,240.20 : x
  2. Step 2: Convert to fraction form
    215,595,912.20/323,407,865.10 = 113,559,240.20/x
  3. Step 3: Cross multiply
    215,595,912.20x = 323,407,865.10 × 113,559,240.20
  4. Step 4: Simplify right side
    215,595,912.20x = 36,725,951,435,460,104
  5. Step 5: Solve for x
    x = 36,725,951,435,460,104/215,595,912.20
  6. Step 6: Final answer
    x = 170,346,232.73

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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.