Finding the Fourth Proportional to 203,629,891.68, 281,149,839.63 and 190,620,216.00
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Solution
The fourth proportional to 203,629,891.68, 281,149,839.63 and 190,620,216.00 is: 263,187,505.12
Step by Step Solution
- Step 1: Write the proportion equation
203,629,891.68 : 281,149,839.63 = 190,620,216.00 : x - Step 2: Convert to fraction form
203,629,891.68/281,149,839.63 = 190,620,216.00/x - Step 3: Cross multiply
203,629,891.68x = 281,149,839.63 × 190,620,216.00 - Step 4: Simplify right side
203,629,891.68x = 53,592,843,158,749,128 - Step 5: Solve for x
x = 53,592,843,158,749,128/203,629,891.68 - Step 6: Final answer
x = 263,187,505.12
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.