Finding the Fourth Proportional to 84,245,266, 126,367,899.12 and 20,419,858
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Solution
The fourth proportional to 84,245,266, 126,367,899.12 and 20,419,858 is: 30,629,787.03
Step by Step Solution
- Step 1: Write the proportion equation
84,245,266 : 126,367,899.12 = 20,419,858 : x - Step 2: Convert to fraction form
84,245,266/126,367,899.12 = 20,419,858/x - Step 3: Cross multiply
84,245,266x = 126,367,899.12 × 20,419,858 - Step 4: Simplify right side
84,245,266x = 2,580,414,555,788,725 - Step 5: Solve for x
x = 2,580,414,555,788,725/84,245,266 - Step 6: Final answer
x = 30,629,787.03
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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.