Home / 114,940,420.40-172,494,611.40-80,928,196.40

Finding the Fourth Proportional to 114,940,420.40, 172,494,611.40 and 80,928,196.40

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Solution

The fourth proportional to 114,940,420.40, 172,494,611.40 and 80,928,196.40 is: 121,451,424.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,940,420.40 : 172,494,611.40 = 80,928,196.40 : x
  2. Step 2: Convert to fraction form
    114,940,420.40/172,494,611.40 = 80,928,196.40/x
  3. Step 3: Cross multiply
    114,940,420.40x = 172,494,611.40 × 80,928,196.40
  4. Step 4: Simplify right side
    114,940,420.40x = 13,959,677,789,320,880
  5. Step 5: Solve for x
    x = 13,959,677,789,320,880/114,940,420.40
  6. Step 6: Final answer
    x = 121,451,424.49

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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.