Finding the Fourth Proportional to 49,165,908.48, 67,848,965.82 and 27,139,420.44
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Solution
The fourth proportional to 49,165,908.48, 67,848,965.82 and 27,139,420.44 is: 37,452,406.90
Step by Step Solution
- Step 1: Write the proportion equation
49,165,908.48 : 67,848,965.82 = 27,139,420.44 : x - Step 2: Convert to fraction form
49,165,908.48/67,848,965.82 = 27,139,420.44/x - Step 3: Cross multiply
49,165,908.48x = 67,848,965.82 × 27,139,420.44 - Step 4: Simplify right side
49,165,908.48x = 1,841,381,609,808,169.25 - Step 5: Solve for x
x = 1,841,381,609,808,169.25/49,165,908.48 - Step 6: Final answer
x = 37,452,406.90
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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.