Finding the Fourth Proportional to 223,788,795.63, 306,591,761.32 and 215,401,305.99
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Solution
The fourth proportional to 223,788,795.63, 306,591,761.32 and 215,401,305.99 is: 295,100,858.86
Step by Step Solution
- Step 1: Write the proportion equation
223,788,795.63 : 306,591,761.32 = 215,401,305.99 : x - Step 2: Convert to fraction form
223,788,795.63/306,591,761.32 = 215,401,305.99/x - Step 3: Cross multiply
223,788,795.63x = 306,591,761.32 × 215,401,305.99 - Step 4: Simplify right side
223,788,795.63x = 66,040,265,794,102,368 - Step 5: Solve for x
x = 66,040,265,794,102,368/223,788,795.63 - Step 6: Final answer
x = 295,100,858.86
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.