Finding the Fourth Proportional to 207,505,175.43, 311,312,356.46 and 74,571,461.03
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Solution
The fourth proportional to 207,505,175.43, 311,312,356.46 and 74,571,461.03 is: 111,876,810.84
Step by Step Solution
- Step 1: Write the proportion equation
207,505,175.43 : 311,312,356.46 = 74,571,461.03 : x - Step 2: Convert to fraction form
207,505,175.43/311,312,356.46 = 74,571,461.03/x - Step 3: Cross multiply
207,505,175.43x = 311,312,356.46 × 74,571,461.03 - Step 4: Simplify right side
207,505,175.43x = 23,215,017,258,746,144 - Step 5: Solve for x
x = 23,215,017,258,746,144/207,505,175.43 - Step 6: Final answer
x = 111,876,810.84
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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.