Finding the Fourth Proportional to 122,236,234.92, 168,689,195.52 and 67,233,534.84
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Solution
The fourth proportional to 122,236,234.92, 168,689,195.52 and 67,233,534.84 is: 92,784,033.41
Step by Step Solution
- Step 1: Write the proportion equation
122,236,234.92 : 168,689,195.52 = 67,233,534.84 : x - Step 2: Convert to fraction form
122,236,234.92/168,689,195.52 = 67,233,534.84/x - Step 3: Cross multiply
122,236,234.92x = 168,689,195.52 × 67,233,534.84 - Step 4: Simplify right side
122,236,234.92x = 11,341,570,904,125,494 - Step 5: Solve for x
x = 11,341,570,904,125,494/122,236,234.92 - Step 6: Final answer
x = 92,784,033.41
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1.5x scale
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.