Home / 262,268,942.82-393,398,012.91-87,404,673.24

Finding the Fourth Proportional to 262,268,942.82, 393,398,012.91 and 87,404,673.24

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Solution

The fourth proportional to 262,268,942.82, 393,398,012.91 and 87,404,673.24 is: 131,105,209.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,268,942.82 : 393,398,012.91 = 87,404,673.24 : x
  2. Step 2: Convert to fraction form
    262,268,942.82/393,398,012.91 = 87,404,673.24/x
  3. Step 3: Cross multiply
    262,268,942.82x = 393,398,012.91 × 87,404,673.24
  4. Step 4: Simplify right side
    262,268,942.82x = 34,384,824,771,663,852
  5. Step 5: Solve for x
    x = 34,384,824,771,663,852/262,268,942.82
  6. Step 6: Final answer
    x = 131,105,209.80

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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.