Finding the Fourth Proportional to 127,702,668.84, 176,229,676.26 and 68,965,328.36
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Solution
The fourth proportional to 127,702,668.84, 176,229,676.26 and 68,965,328.36 is: 95,172,149.50
Step by Step Solution
- Step 1: Write the proportion equation
127,702,668.84 : 176,229,676.26 = 68,965,328.36 : x - Step 2: Convert to fraction form
127,702,668.84/176,229,676.26 = 68,965,328.36/x - Step 3: Cross multiply
127,702,668.84x = 176,229,676.26 × 68,965,328.36 - Step 4: Simplify right side
127,702,668.84x = 12,153,737,490,047,396 - Step 5: Solve for x
x = 12,153,737,490,047,396/127,702,668.84 - Step 6: Final answer
x = 95,172,149.50
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.