Home / 303,847,768.32-419,309,352.96-164,621,990.40

Finding the Fourth Proportional to 303,847,768.32, 419,309,352.96 and 164,621,990.40

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Solution

The fourth proportional to 303,847,768.32, 419,309,352.96 and 164,621,990.40 is: 227,178,039.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,847,768.32 : 419,309,352.96 = 164,621,990.40 : x
  2. Step 2: Convert to fraction form
    303,847,768.32/419,309,352.96 = 164,621,990.40/x
  3. Step 3: Cross multiply
    303,847,768.32x = 419,309,352.96 × 164,621,990.40
  4. Step 4: Simplify right side
    303,847,768.32x = 69,027,540,277,611,328
  5. Step 5: Solve for x
    x = 69,027,540,277,611,328/303,847,768.32
  6. Step 6: Final answer
    x = 227,178,039.38

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.