Home / 209,952,228.20-314,928,342.30-133,361,738.60

Finding the Fourth Proportional to 209,952,228.20, 314,928,342.30 and 133,361,738.60

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Solution

The fourth proportional to 209,952,228.20, 314,928,342.30 and 133,361,738.60 is: 200,042,607.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,952,228.20 : 314,928,342.30 = 133,361,738.60 : x
  2. Step 2: Convert to fraction form
    209,952,228.20/314,928,342.30 = 133,361,738.60/x
  3. Step 3: Cross multiply
    209,952,228.20x = 314,928,342.30 × 133,361,738.60
  4. Step 4: Simplify right side
    209,952,228.20x = 41,999,391,263,543,920
  5. Step 5: Solve for x
    x = 41,999,391,263,543,920/209,952,228.20
  6. Step 6: Final answer
    x = 200,042,607.90

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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.