Home / 114,940,384.40-172,494,557.40-80,928,160.40

Finding the Fourth Proportional to 114,940,384.40, 172,494,557.40 and 80,928,160.40

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Solution

The fourth proportional to 114,940,384.40, 172,494,557.40 and 80,928,160.40 is: 121,451,370.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,940,384.40 : 172,494,557.40 = 80,928,160.40 : x
  2. Step 2: Convert to fraction form
    114,940,384.40/172,494,557.40 = 80,928,160.40/x
  3. Step 3: Cross multiply
    114,940,384.40x = 172,494,557.40 × 80,928,160.40
  4. Step 4: Simplify right side
    114,940,384.40x = 13,959,667,209,394,208
  5. Step 5: Solve for x
    x = 13,959,667,209,394,208/114,940,384.40
  6. Step 6: Final answer
    x = 121,451,370.48

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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.