Home / 271,302,869.64-406,790,458.05-121,709,940.33

Finding the Fourth Proportional to 271,302,869.64, 406,790,458.05 and 121,709,940.33

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Solution

The fourth proportional to 271,302,869.64, 406,790,458.05 and 121,709,940.33 is: 182,491,406.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,302,869.64 : 406,790,458.05 = 121,709,940.33 : x
  2. Step 2: Convert to fraction form
    271,302,869.64/406,790,458.05 = 121,709,940.33/x
  3. Step 3: Cross multiply
    271,302,869.64x = 406,790,458.05 × 121,709,940.33
  4. Step 4: Simplify right side
    271,302,869.64x = 49,510,442,376,078,872
  5. Step 5: Solve for x
    x = 49,510,442,376,078,872/271,302,869.64
  6. Step 6: Final answer
    x = 182,491,406.90

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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.