Home / 262,478,216.20-393,670,085.10-165,259,942.60

Finding the Fourth Proportional to 262,478,216.20, 393,670,085.10 and 165,259,942.60

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Solution

The fourth proportional to 262,478,216.20, 393,670,085.10 and 165,259,942.60 is: 247,860,171.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,478,216.20 : 393,670,085.10 = 165,259,942.60 : x
  2. Step 2: Convert to fraction form
    262,478,216.20/393,670,085.10 = 165,259,942.60/x
  3. Step 3: Cross multiply
    262,478,216.20x = 393,670,085.10 × 165,259,942.60
  4. Step 4: Simplify right side
    262,478,216.20x = 65,057,895,666,963,120
  5. Step 5: Solve for x
    x = 65,057,895,666,963,120/262,478,216.20
  6. Step 6: Final answer
    x = 247,860,171.44

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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.