Finding the Fourth Proportional to 84,699,467.09, 126,993,446.62 and 55,857,661.01
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Solution
The fourth proportional to 84,699,467.09, 126,993,446.62 and 55,857,661.01 is: 83,749,722.82
Step by Step Solution
- Step 1: Write the proportion equation
84,699,467.09 : 126,993,446.62 = 55,857,661.01 : x - Step 2: Convert to fraction form
84,699,467.09/126,993,446.62 = 55,857,661.01/x - Step 3: Cross multiply
84,699,467.09x = 126,993,446.62 × 55,857,661.01 - Step 4: Simplify right side
84,699,467.09x = 7,093,556,891,791,490 - Step 5: Solve for x
x = 7,093,556,891,791,490/84,699,467.09 - Step 6: Final answer
x = 83,749,722.82
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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.