Finding the Fourth Proportional to 205,190,864.44, 283,157,907.76 and 117,083,261.32
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Solution
The fourth proportional to 205,190,864.44, 283,157,907.76 and 117,083,261.32 is: 161,571,770.75
Step by Step Solution
- Step 1: Write the proportion equation
205,190,864.44 : 283,157,907.76 = 117,083,261.32 : x - Step 2: Convert to fraction form
205,190,864.44/283,157,907.76 = 117,083,261.32/x - Step 3: Cross multiply
205,190,864.44x = 283,157,907.76 × 117,083,261.32 - Step 4: Simplify right side
205,190,864.44x = 33,153,051,309,088,532 - Step 5: Solve for x
x = 33,153,051,309,088,532/205,190,864.44 - Step 6: Final answer
x = 161,571,770.75
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.