Finding the Fourth Proportional to 70,734,745.22, 97,613,933.37 and 39,372,117.89
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Solution
The fourth proportional to 70,734,745.22, 97,613,933.37 and 39,372,117.89 is: 54,333,514.32
Step by Step Solution
- Step 1: Write the proportion equation
70,734,745.22 : 97,613,933.37 = 39,372,117.89 : x - Step 2: Convert to fraction form
70,734,745.22/97,613,933.37 = 39,372,117.89/x - Step 3: Cross multiply
70,734,745.22x = 97,613,933.37 × 39,372,117.89 - Step 4: Simplify right side
70,734,745.22x = 3,843,267,292,350,245 - Step 5: Solve for x
x = 3,843,267,292,350,245/70,734,745.22 - Step 6: Final answer
x = 54,333,514.32
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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.