Home / 221,452,662.80-332,178,994.20-208,698,078.80

Finding the Fourth Proportional to 221,452,662.80, 332,178,994.20 and 208,698,078.80

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Solution

The fourth proportional to 221,452,662.80, 332,178,994.20 and 208,698,078.80 is: 313,047,118.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,452,662.80 : 332,178,994.20 = 208,698,078.80 : x
  2. Step 2: Convert to fraction form
    221,452,662.80/332,178,994.20 = 208,698,078.80/x
  3. Step 3: Cross multiply
    221,452,662.80x = 332,178,994.20 × 208,698,078.80
  4. Step 4: Simplify right side
    221,452,662.80x = 69,325,117,907,256,344
  5. Step 5: Solve for x
    x = 69,325,117,907,256,344/221,452,662.80
  6. Step 6: Final answer
    x = 313,047,118.20

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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.