Finding the Fourth Proportional to 204,414,103.80, 306,621,155.70 and 68,099,487.30
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Solution
The fourth proportional to 204,414,103.80, 306,621,155.70 and 68,099,487.30 is: 102,149,230.95
Step by Step Solution
- Step 1: Write the proportion equation
204,414,103.80 : 306,621,155.70 = 68,099,487.30 : x - Step 2: Convert to fraction form
204,414,103.80/306,621,155.70 = 68,099,487.30/x - Step 3: Cross multiply
204,414,103.80x = 306,621,155.70 × 68,099,487.30 - Step 4: Simplify right side
204,414,103.80x = 20,880,743,498,503,472 - Step 5: Solve for x
x = 20,880,743,498,503,472/204,414,103.80 - Step 6: Final answer
x = 102,149,230.95
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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.