Finding the Fourth Proportional to 84,165,716.80, 126,035,998.80 and 67,159,604.80
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Solution
The fourth proportional to 84,165,716.80, 126,035,998.80 and 67,159,604.80 is: 100,569,782.94
Step by Step Solution
- Step 1: Write the proportion equation
84,165,716.80 : 126,035,998.80 = 67,159,604.80 : x - Step 2: Convert to fraction form
84,165,716.80/126,035,998.80 = 67,159,604.80/x - Step 3: Cross multiply
84,165,716.80x = 126,035,998.80 × 67,159,604.80 - Step 4: Simplify right side
84,165,716.80x = 8,464,527,869,981,274 - Step 5: Solve for x
x = 8,464,527,869,981,274/84,165,716.80 - Step 6: Final answer
x = 100,569,782.94
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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.