Home / 206,196,833.82-309,090,950.40-96,826,220.68

Finding the Fourth Proportional to 206,196,833.82, 309,090,950.40 and 96,826,220.68

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Solution

The fourth proportional to 206,196,833.82, 309,090,950.40 and 96,826,220.68 is: 145,143,395.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,196,833.82 : 309,090,950.40 = 96,826,220.68 : x
  2. Step 2: Convert to fraction form
    206,196,833.82/309,090,950.40 = 96,826,220.68/x
  3. Step 3: Cross multiply
    206,196,833.82x = 309,090,950.40 × 96,826,220.68
  4. Step 4: Simplify right side
    206,196,833.82x = 29,928,108,573,621,336
  5. Step 5: Solve for x
    x = 29,928,108,573,621,336/206,196,833.82
  6. Step 6: Final answer
    x = 145,143,395.36

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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.