Home / 188,247,786.40-282,371,679.60-51,932,951.20

Finding the Fourth Proportional to 188,247,786.40, 282,371,679.60 and 51,932,951.20

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Solution

The fourth proportional to 188,247,786.40, 282,371,679.60 and 51,932,951.20 is: 77,899,426.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,247,786.40 : 282,371,679.60 = 51,932,951.20 : x
  2. Step 2: Convert to fraction form
    188,247,786.40/282,371,679.60 = 51,932,951.20/x
  3. Step 3: Cross multiply
    188,247,786.40x = 282,371,679.60 × 51,932,951.20
  4. Step 4: Simplify right side
    188,247,786.40x = 14,664,394,656,928,838
  5. Step 5: Solve for x
    x = 14,664,394,656,928,838/188,247,786.40
  6. Step 6: Final answer
    x = 77,899,426.80

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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.