Finding the Fourth Proportional to 49,165,137.30, 67,847,878.62 and 27,138,630.99
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Solution
The fourth proportional to 49,165,137.30, 67,847,878.62 and 27,138,630.99 is: 37,451,304.77
Step by Step Solution
- Step 1: Write the proportion equation
49,165,137.30 : 67,847,878.62 = 27,138,630.99 : x - Step 2: Convert to fraction form
49,165,137.30/67,847,878.62 = 27,138,630.99/x - Step 3: Cross multiply
49,165,137.30x = 67,847,878.62 × 27,138,630.99 - Step 4: Simplify right side
49,165,137.30x = 1,841,298,541,322,490.50 - Step 5: Solve for x
x = 1,841,298,541,322,490.50/49,165,137.30 - Step 6: Final answer
x = 37,451,304.77
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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.