Home / 271,491,029.71-407,361,788.43-123,983,809.03

Finding the Fourth Proportional to 271,491,029.71, 407,361,788.43 and 123,983,809.03

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Solution

The fourth proportional to 271,491,029.71, 407,361,788.43 and 123,983,809.03 is: 186,032,909.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,491,029.71 : 407,361,788.43 = 123,983,809.03 : x
  2. Step 2: Convert to fraction form
    271,491,029.71/407,361,788.43 = 123,983,809.03/x
  3. Step 3: Cross multiply
    271,491,029.71x = 407,361,788.43 × 123,983,809.03
  4. Step 4: Simplify right side
    271,491,029.71x = 50,506,266,181,276,056
  5. Step 5: Solve for x
    x = 50,506,266,181,276,056/271,491,029.71
  6. Step 6: Final answer
    x = 186,032,909.58

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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.