Finding the Fourth Proportional to 70,699,105.44, 97,556,193.36 and 39,329,739
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Solution
The fourth proportional to 70,699,105.44, 97,556,193.36 and 39,329,739 is: 54,270,271.16
Step by Step Solution
- Step 1: Write the proportion equation
70,699,105.44 : 97,556,193.36 = 39,329,739 : x - Step 2: Convert to fraction form
70,699,105.44/97,556,193.36 = 39,329,739/x - Step 3: Cross multiply
70,699,105.44x = 97,556,193.36 × 39,329,739 - Step 4: Simplify right side
70,699,105.44x = 3,836,859,622,682,333 - Step 5: Solve for x
x = 3,836,859,622,682,333/70,699,105.44 - Step 6: Final answer
x = 54,270,271.16
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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.