Finding the Fourth Proportional to 192,567,688.72, 288,863,515.11 and 69,747,069.99
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Solution
The fourth proportional to 192,567,688.72, 288,863,515.11 and 69,747,069.99 is: 104,624,944.81
Step by Step Solution
- Step 1: Write the proportion equation
192,567,688.72 : 288,863,515.11 = 69,747,069.99 : x - Step 2: Convert to fraction form
192,567,688.72/288,863,515.11 = 69,747,069.99/x - Step 3: Cross multiply
192,567,688.72x = 288,863,515.11 × 69,747,069.99 - Step 4: Simplify right side
192,567,688.72x = 20,147,383,805,458,244 - Step 5: Solve for x
x = 20,147,383,805,458,244/192,567,688.72 - Step 6: Final answer
x = 104,624,944.81
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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.