Finding the Fourth Proportional to 255,841,469.75, 353,061,225.53 and 138,366,799.99
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Solution
The fourth proportional to 255,841,469.75, 353,061,225.53 and 138,366,799.99 is: 190,946,182.51
Step by Step Solution
- Step 1: Write the proportion equation
255,841,469.75 : 353,061,225.53 = 138,366,799.99 : x - Step 2: Convert to fraction form
255,841,469.75/353,061,225.53 = 138,366,799.99/x - Step 3: Cross multiply
255,841,469.75x = 353,061,225.53 × 138,366,799.99 - Step 4: Simplify right side
255,841,469.75x = 48,851,951,977,324,608 - Step 5: Solve for x
x = 48,851,951,977,324,608/255,841,469.75 - Step 6: Final answer
x = 190,946,182.51
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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.