Home / 206,196,830.82-309,090,945.92-96,826,217.67

Finding the Fourth Proportional to 206,196,830.82, 309,090,945.92 and 96,826,217.67

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Solution

The fourth proportional to 206,196,830.82, 309,090,945.92 and 96,826,217.67 is: 145,143,390.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,196,830.82 : 309,090,945.92 = 96,826,217.67 : x
  2. Step 2: Convert to fraction form
    206,196,830.82/309,090,945.92 = 96,826,217.67/x
  3. Step 3: Cross multiply
    206,196,830.82x = 309,090,945.92 × 96,826,217.67
  4. Step 4: Simplify right side
    206,196,830.82x = 29,928,107,208,991,988
  5. Step 5: Solve for x
    x = 29,928,107,208,991,988/206,196,830.82
  6. Step 6: Final answer
    x = 145,143,390.86

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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.