Home / 325,629,556.20-488,295,035.10-143,783,130.60

Finding the Fourth Proportional to 325,629,556.20, 488,295,035.10 and 143,783,130.60

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Solution

The fourth proportional to 325,629,556.20, 488,295,035.10 and 143,783,130.60 is: 215,608,772.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,629,556.20 : 488,295,035.10 = 143,783,130.60 : x
  2. Step 2: Convert to fraction form
    325,629,556.20/488,295,035.10 = 143,783,130.60/x
  3. Step 3: Cross multiply
    325,629,556.20x = 488,295,035.10 × 143,783,130.60
  4. Step 4: Simplify right side
    325,629,556.20x = 70,208,588,803,114,888
  5. Step 5: Solve for x
    x = 70,208,588,803,114,888/325,629,556.20
  6. Step 6: Final answer
    x = 215,608,772.20

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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.