Home / 290,995,219.80-436,660,791.30-109,260,768.60

Finding the Fourth Proportional to 290,995,219.80, 436,660,791.30 and 109,260,768.60

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Solution

The fourth proportional to 290,995,219.80, 436,660,791.30 and 109,260,768.60 is: 163,954,217.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,995,219.80 : 436,660,791.30 = 109,260,768.60 : x
  2. Step 2: Convert to fraction form
    290,995,219.80/436,660,791.30 = 109,260,768.60/x
  3. Step 3: Cross multiply
    290,995,219.80x = 436,660,791.30 × 109,260,768.60
  4. Step 4: Simplify right side
    290,995,219.80x = 47,709,893,674,922,192
  5. Step 5: Solve for x
    x = 47,709,893,674,922,192/290,995,219.80
  6. Step 6: Final answer
    x = 163,954,217.90

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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.