Finding the Fourth Proportional to 64,534,912.40, 90,416,062 and 64,534,912.40
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Solution
The fourth proportional to 64,534,912.40, 90,416,062 and 64,534,912.40 is: 90,416,062
Step by Step Solution
- Step 1: Write the proportion equation
64,534,912.40 : 90,416,062 = 64,534,912.40 : x - Step 2: Convert to fraction form
64,534,912.40/90,416,062 = 64,534,912.40/x - Step 3: Cross multiply
64,534,912.40x = 90,416,062 × 64,534,912.40 - Step 4: Simplify right side
64,534,912.40x = 5,834,992,640,722,969 - Step 5: Solve for x
x = 5,834,992,640,722,969/64,534,912.40 - Step 6: Final answer
x = 90,416,062
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Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.