Home / 213,782,451.20-320,673,676.80-183,171,449.60

Finding the Fourth Proportional to 213,782,451.20, 320,673,676.80 and 183,171,449.60

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Solution

The fourth proportional to 213,782,451.20, 320,673,676.80 and 183,171,449.60 is: 274,757,174.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,782,451.20 : 320,673,676.80 = 183,171,449.60 : x
  2. Step 2: Convert to fraction form
    213,782,451.20/320,673,676.80 = 183,171,449.60/x
  3. Step 3: Cross multiply
    213,782,451.20x = 320,673,676.80 × 183,171,449.60
  4. Step 4: Simplify right side
    213,782,451.20x = 58,738,262,228,017,888
  5. Step 5: Solve for x
    x = 58,738,262,228,017,888/213,782,451.20
  6. Step 6: Final answer
    x = 274,757,174.40

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1.5x scale

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.