Finding the Fourth Proportional to 176,647,576.60, 264,971,364.90 and 128,274,635.80
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Solution
The fourth proportional to 176,647,576.60, 264,971,364.90 and 128,274,635.80 is: 192,411,953.70
Step by Step Solution
- Step 1: Write the proportion equation
176,647,576.60 : 264,971,364.90 = 128,274,635.80 : x - Step 2: Convert to fraction form
176,647,576.60/264,971,364.90 = 128,274,635.80/x - Step 3: Cross multiply
176,647,576.60x = 264,971,364.90 × 128,274,635.80 - Step 4: Simplify right side
176,647,576.60x = 33,989,105,329,976,404 - Step 5: Solve for x
x = 33,989,105,329,976,404/176,647,576.60 - Step 6: Final answer
x = 192,411,953.70
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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.