Finding the Fourth Proportional to 48,677,969.94, 67,172,937.20 and 26,647,207.42
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Solution
The fourth proportional to 48,677,969.94, 67,172,937.20 and 26,647,207.42 is: 36,771,689.39
Step by Step Solution
- Step 1: Write the proportion equation
48,677,969.94 : 67,172,937.20 = 26,647,207.42 : x - Step 2: Convert to fraction form
48,677,969.94/67,172,937.20 = 26,647,207.42/x - Step 3: Cross multiply
48,677,969.94x = 67,172,937.20 × 26,647,207.42 - Step 4: Simplify right side
48,677,969.94x = 1,789,971,190,579,034.25 - Step 5: Solve for x
x = 1,789,971,190,579,034.25/48,677,969.94 - Step 6: Final answer
x = 36,771,689.39
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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.