Finding the Fourth Proportional to 113,538,247.36, 156,682,841.39 and 61,327,282.91
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Solution
The fourth proportional to 113,538,247.36, 156,682,841.39 and 61,327,282.91 is: 84,631,682.85
Step by Step Solution
- Step 1: Write the proportion equation
113,538,247.36 : 156,682,841.39 = 61,327,282.91 : x - Step 2: Convert to fraction form
113,538,247.36/156,682,841.39 = 61,327,282.91/x - Step 3: Cross multiply
113,538,247.36x = 156,682,841.39 × 61,327,282.91 - Step 4: Simplify right side
113,538,247.36x = 9,608,932,941,790,698 - Step 5: Solve for x
x = 9,608,932,941,790,698/113,538,247.36 - Step 6: Final answer
x = 84,631,682.85
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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.