Finding the Fourth Proportional to 193,929,383,013.09, 267,630,678,986.40 and 111,530,206,891.99
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Solution
The fourth proportional to 193,929,383,013.09, 267,630,678,986.40 and 111,530,206,891.99 is: 153,916,361,379.76
Step by Step Solution
- Step 1: Write the proportion equation
193,929,383,013.09 : 267,630,678,986.40 = 111,530,206,891.99 : x - Step 2: Convert to fraction form
193,929,383,013.09/267,630,678,986.40 = 111,530,206,891.99/x - Step 3: Cross multiply
193,929,383,013.09x = 267,630,678,986.40 × 111,530,206,891.99 - Step 4: Simplify right side
193,929,383,013.09x = 29,848,904,997,996,953,862,144 - Step 5: Solve for x
x = 29,848,904,997,996,953,862,144/193,929,383,013.09 - Step 6: Final answer
x = 153,916,361,379.76
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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.