Finding the Fourth Proportional to 84,699,465.09, 126,993,443.63 and 55,857,659.01
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Solution
The fourth proportional to 84,699,465.09, 126,993,443.63 and 55,857,659.01 is: 83,749,719.82
Step by Step Solution
- Step 1: Write the proportion equation
84,699,465.09 : 126,993,443.63 = 55,857,659.01 : x - Step 2: Convert to fraction form
84,699,465.09/126,993,443.63 = 55,857,659.01/x - Step 3: Cross multiply
84,699,465.09x = 126,993,443.63 × 55,857,659.01 - Step 4: Simplify right side
84,699,465.09x = 7,093,556,470,510,908 - Step 5: Solve for x
x = 7,093,556,470,510,908/84,699,465.09 - Step 6: Final answer
x = 83,749,719.82
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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.