Finding the Fourth Proportional to 49,165,137.05, 67,847,878.28 and 27,138,630.74
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Solution
The fourth proportional to 49,165,137.05, 67,847,878.28 and 27,138,630.74 is: 37,451,304.43
Step by Step Solution
- Step 1: Write the proportion equation
49,165,137.05 : 67,847,878.28 = 27,138,630.74 : x - Step 2: Convert to fraction form
49,165,137.05/67,847,878.28 = 27,138,630.74/x - Step 3: Cross multiply
49,165,137.05x = 67,847,878.28 × 27,138,630.74 - Step 4: Simplify right side
49,165,137.05x = 1,841,298,514,997,693.25 - Step 5: Solve for x
x = 1,841,298,514,997,693.25/49,165,137.05 - Step 6: Final answer
x = 37,451,304.43
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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.