Finding the Fourth Proportional to 193,494,070.20, 267,011,736.62 and 120,153,638.84
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Solution
The fourth proportional to 193,494,070.20, 267,011,736.62 and 120,153,638.84 is: 165,805,762.08
Step by Step Solution
- Step 1: Write the proportion equation
193,494,070.20 : 267,011,736.62 = 120,153,638.84 : x - Step 2: Convert to fraction form
193,494,070.20/267,011,736.62 = 120,153,638.84/x - Step 3: Cross multiply
193,494,070.20x = 267,011,736.62 × 120,153,638.84 - Step 4: Simplify right side
193,494,070.20x = 32,082,431,767,880,684 - Step 5: Solve for x
x = 32,082,431,767,880,684/193,494,070.20 - Step 6: Final answer
x = 165,805,762.08
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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.