Finding the Fourth Proportional to 96,860,611.72, 145,214,190.79 and 48,313,476.37
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Solution
The fourth proportional to 96,860,611.72, 145,214,190.79 and 48,313,476.37 is: 72,431,943.70
Step by Step Solution
- Step 1: Write the proportion equation
96,860,611.72 : 145,214,190.79 = 48,313,476.37 : x - Step 2: Convert to fraction form
96,860,611.72/145,214,190.79 = 48,313,476.37/x - Step 3: Cross multiply
96,860,611.72x = 145,214,190.79 × 48,313,476.37 - Step 4: Simplify right side
96,860,611.72x = 7,015,802,375,382,071 - Step 5: Solve for x
x = 7,015,802,375,382,071/96,860,611.72 - Step 6: Final answer
x = 72,431,943.70
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.