Finding the Fourth Proportional to 75,440,205,670.43, 113,160,308,571.26 and 30,661,211,134.19
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Solution
The fourth proportional to 75,440,205,670.43, 113,160,308,571.26 and 30,661,211,134.19 is: 45,991,816,727.95
Step by Step Solution
- Step 1: Write the proportion equation
75,440,205,670.43 : 113,160,308,571.26 = 30,661,211,134.19 : x - Step 2: Convert to fraction form
75,440,205,670.43/113,160,308,571.26 = 30,661,211,134.19/x - Step 3: Cross multiply
75,440,205,670.43x = 113,160,308,571.26 × 30,661,211,134.19 - Step 4: Simplify right side
75,440,205,670.43x = 3,469,632,113,113,719,373,824 - Step 5: Solve for x
x = 3,469,632,113,113,719,373,824/75,440,205,670.43 - Step 6: Final answer
x = 45,991,816,727.95
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.