Home / 314,930,914.20-472,396,371.30-142,413,355.80

Finding the Fourth Proportional to 314,930,914.20, 472,396,371.30 and 142,413,355.80

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Solution

The fourth proportional to 314,930,914.20, 472,396,371.30 and 142,413,355.80 is: 213,620,033.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,930,914.20 : 472,396,371.30 = 142,413,355.80 : x
  2. Step 2: Convert to fraction form
    314,930,914.20/472,396,371.30 = 142,413,355.80/x
  3. Step 3: Cross multiply
    314,930,914.20x = 472,396,371.30 × 142,413,355.80
  4. Step 4: Simplify right side
    314,930,914.20x = 67,275,552,504,575,816
  5. Step 5: Solve for x
    x = 67,275,552,504,575,816/314,930,914.20
  6. Step 6: Final answer
    x = 213,620,033.70

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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.