Finding the Fourth Proportional to 168,511,143.88, 252,775,468.14 and 53,504,691.40
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Solution
The fourth proportional to 168,511,143.88, 252,775,468.14 and 53,504,691.40 is: 80,259,816.09
Step by Step Solution
- Step 1: Write the proportion equation
168,511,143.88 : 252,775,468.14 = 53,504,691.40 : x - Step 2: Convert to fraction form
168,511,143.88/252,775,468.14 = 53,504,691.40/x - Step 3: Cross multiply
168,511,143.88x = 252,775,468.14 × 53,504,691.40 - Step 4: Simplify right side
168,511,143.88x = 13,524,673,416,321,230 - Step 5: Solve for x
x = 13,524,673,416,321,230/168,511,143.88 - Step 6: Final answer
x = 80,259,816.09
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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.