Finding the Fourth Proportional to 82,203,297.47, 113,440,540.94 and 49,163,541.50
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Solution
The fourth proportional to 82,203,297.47, 113,440,540.94 and 49,163,541.50 is: 67,845,681.54
Step by Step Solution
- Step 1: Write the proportion equation
82,203,297.47 : 113,440,540.94 = 49,163,541.50 : x - Step 2: Convert to fraction form
82,203,297.47/113,440,540.94 = 49,163,541.50/x - Step 3: Cross multiply
82,203,297.47x = 113,440,540.94 × 49,163,541.50 - Step 4: Simplify right side
82,203,297.47x = 5,577,138,741,473,118 - Step 5: Solve for x
x = 5,577,138,741,473,118/82,203,297.47 - Step 6: Final answer
x = 67,845,681.54
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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.