Finding the Fourth Proportional to 71,284,607.99, 98,361,522.53 and 41,520,154.60
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Solution
The fourth proportional to 71,284,607.99, 98,361,522.53 and 41,520,154.60 is: 57,291,268.58
Step by Step Solution
- Step 1: Write the proportion equation
71,284,607.99 : 98,361,522.53 = 41,520,154.60 : x - Step 2: Convert to fraction form
71,284,607.99/98,361,522.53 = 41,520,154.60/x - Step 3: Cross multiply
71,284,607.99x = 98,361,522.53 × 41,520,154.60 - Step 4: Simplify right side
71,284,607.99x = 4,083,985,622,208,035 - Step 5: Solve for x
x = 4,083,985,622,208,035/71,284,607.99 - Step 6: Final answer
x = 57,291,268.58
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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.