Finding the Fourth Proportional to 207,683,651.21, 311,526,004.45 and 84,861,968.79
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Solution
The fourth proportional to 207,683,651.21, 311,526,004.45 and 84,861,968.79 is: 127,293,168.78
Step by Step Solution
- Step 1: Write the proportion equation
207,683,651.21 : 311,526,004.45 = 84,861,968.79 : x - Step 2: Convert to fraction form
207,683,651.21/311,526,004.45 = 84,861,968.79/x - Step 3: Cross multiply
207,683,651.21x = 311,526,004.45 × 84,861,968.79 - Step 4: Simplify right side
207,683,651.21x = 26,436,710,066,650,020 - Step 5: Solve for x
x = 26,436,710,066,650,020/207,683,651.21 - Step 6: Final answer
x = 127,293,168.78
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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.