Finding the Fourth Proportional to 209,458,614.42, 314,237,376.99 and 65,851,446.42
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Solution
The fourth proportional to 209,458,614.42, 314,237,376.99 and 65,851,446.42 is: 98,792,717.84
Step by Step Solution
- Step 1: Write the proportion equation
209,458,614.42 : 314,237,376.99 = 65,851,446.42 : x - Step 2: Convert to fraction form
209,458,614.42/314,237,376.99 = 65,851,446.42/x - Step 3: Cross multiply
209,458,614.42x = 314,237,376.99 × 65,851,446.42 - Step 4: Simplify right side
209,458,614.42x = 20,692,985,794,018,328 - Step 5: Solve for x
x = 20,692,985,794,018,328/209,458,614.42 - Step 6: Final answer
x = 98,792,717.84
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.