Finding the Fourth Proportional to 99,794,270.60, 149,691,405.90 and 92,329,310.60
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Solution
The fourth proportional to 99,794,270.60, 149,691,405.90 and 92,329,310.60 is: 138,493,965.90
Step by Step Solution
- Step 1: Write the proportion equation
99,794,270.60 : 149,691,405.90 = 92,329,310.60 : x - Step 2: Convert to fraction form
99,794,270.60/149,691,405.90 = 92,329,310.60/x - Step 3: Cross multiply
99,794,270.60x = 149,691,405.90 × 92,329,310.60 - Step 4: Simplify right side
99,794,270.60x = 13,820,904,309,491,772 - Step 5: Solve for x
x = 13,820,904,309,491,772/99,794,270.60 - Step 6: Final answer
x = 138,493,965.90
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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.