Home / 213,952,137.30-295,255,038.60-121,150,728.90

Finding the Fourth Proportional to 213,952,137.30, 295,255,038.60 and 121,150,728.90

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Solution

The fourth proportional to 213,952,137.30, 295,255,038.60 and 121,150,728.90 is: 167,188,622.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,952,137.30 : 295,255,038.60 = 121,150,728.90 : x
  2. Step 2: Convert to fraction form
    213,952,137.30/295,255,038.60 = 121,150,728.90/x
  3. Step 3: Cross multiply
    213,952,137.30x = 295,255,038.60 × 121,150,728.90
  4. Step 4: Simplify right side
    213,952,137.30x = 35,770,363,137,787,640
  5. Step 5: Solve for x
    x = 35,770,363,137,787,640/213,952,137.30
  6. Step 6: Final answer
    x = 167,188,622.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.