Home / 317,479,617.82-475,977,209.19-144,835,694.56

Finding the Fourth Proportional to 317,479,617.82, 475,977,209.19 and 144,835,694.56

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Solution

The fourth proportional to 317,479,617.82, 475,977,209.19 and 144,835,694.56 is: 217,143,041.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,479,617.82 : 475,977,209.19 = 144,835,694.56 : x
  2. Step 2: Convert to fraction form
    317,479,617.82/475,977,209.19 = 144,835,694.56/x
  3. Step 3: Cross multiply
    317,479,617.82x = 475,977,209.19 × 144,835,694.56
  4. Step 4: Simplify right side
    317,479,617.82x = 68,938,489,687,764,064
  5. Step 5: Solve for x
    x = 68,938,489,687,764,064/317,479,617.82
  6. Step 6: Final answer
    x = 217,143,041.06

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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.