Home / 180,926,979.82-271,505,256.98-77,296,965.90

Finding the Fourth Proportional to 180,926,979.82, 271,505,256.98 and 77,296,965.90

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Solution

The fourth proportional to 180,926,979.82, 271,505,256.98 and 77,296,965.90 is: 115,994,489.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,926,979.82 : 271,505,256.98 = 77,296,965.90 : x
  2. Step 2: Convert to fraction form
    180,926,979.82/271,505,256.98 = 77,296,965.90/x
  3. Step 3: Cross multiply
    180,926,979.82x = 271,505,256.98 × 77,296,965.90
  4. Step 4: Simplify right side
    180,926,979.82x = 20,986,532,590,453,800
  5. Step 5: Solve for x
    x = 20,986,532,590,453,800/180,926,979.82
  6. Step 6: Final answer
    x = 115,994,489.11

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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.