Finding the Fourth Proportional to 84,278,749.96, 126,428,245.28 and 29,680,043.44
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Solution
The fourth proportional to 84,278,749.96, 126,428,245.28 and 29,680,043.44 is: 44,523,629.19
Step by Step Solution
- Step 1: Write the proportion equation
84,278,749.96 : 126,428,245.28 = 29,680,043.44 : x - Step 2: Convert to fraction form
84,278,749.96/126,428,245.28 = 29,680,043.44/x - Step 3: Cross multiply
84,278,749.96x = 126,428,245.28 × 29,680,043.44 - Step 4: Simplify right side
84,278,749.96x = 3,752,395,811,953,375 - Step 5: Solve for x
x = 3,752,395,811,953,375/84,278,749.96 - Step 6: Final answer
x = 44,523,629.19
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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.