Finding the Fourth Proportional to 76,265,556.24, 105,247,145.16 and 41,458,302.66
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Solution
The fourth proportional to 76,265,556.24, 105,247,145.16 and 41,458,302.66 is: 57,212,825.99
Step by Step Solution
- Step 1: Write the proportion equation
76,265,556.24 : 105,247,145.16 = 41,458,302.66 : x - Step 2: Convert to fraction form
76,265,556.24/105,247,145.16 = 41,458,302.66/x - Step 3: Cross multiply
76,265,556.24x = 105,247,145.16 × 41,458,302.66 - Step 4: Simplify right side
76,265,556.24x = 4,363,367,998,144,233.50 - Step 5: Solve for x
x = 4,363,367,998,144,233.50/76,265,556.24 - Step 6: Final answer
x = 57,212,825.99
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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.