Finding the Fourth Proportional to 192,629,942.80, 288,466,617.30 and 154,366,190.80
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Solution
The fourth proportional to 192,629,942.80, 288,466,617.30 and 154,366,190.80 is: 231,165,997.55
Step by Step Solution
- Step 1: Write the proportion equation
192,629,942.80 : 288,466,617.30 = 154,366,190.80 : x - Step 2: Convert to fraction form
192,629,942.80/288,466,617.30 = 154,366,190.80/x - Step 3: Cross multiply
192,629,942.80x = 288,466,617.30 × 154,366,190.80 - Step 4: Simplify right side
192,629,942.80x = 44,529,492,885,562,384 - Step 5: Solve for x
x = 44,529,492,885,562,384/192,629,942.80 - Step 6: Final answer
x = 231,165,997.55
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.