Home / 262,478,239.20-393,670,119.60-165,259,965.60

Finding the Fourth Proportional to 262,478,239.20, 393,670,119.60 and 165,259,965.60

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Solution

The fourth proportional to 262,478,239.20, 393,670,119.60 and 165,259,965.60 is: 247,860,205.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,478,239.20 : 393,670,119.60 = 165,259,965.60 : x
  2. Step 2: Convert to fraction form
    262,478,239.20/393,670,119.60 = 165,259,965.60/x
  3. Step 3: Cross multiply
    262,478,239.20x = 393,670,119.60 × 165,259,965.60
  4. Step 4: Simplify right side
    262,478,239.20x = 65,057,910,422,843,888
  5. Step 5: Solve for x
    x = 65,057,910,422,843,888/262,478,239.20
  6. Step 6: Final answer
    x = 247,860,205.94

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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.