Finding the Fourth Proportional to 117,685,102.44, 162,337,813.44 and 73,555,515.12
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Solution
The fourth proportional to 117,685,102.44, 162,337,813.44 and 73,555,515.12 is: 101,464,342.07
Step by Step Solution
- Step 1: Write the proportion equation
117,685,102.44 : 162,337,813.44 = 73,555,515.12 : x - Step 2: Convert to fraction form
117,685,102.44/162,337,813.44 = 73,555,515.12/x - Step 3: Cross multiply
117,685,102.44x = 162,337,813.44 × 73,555,515.12 - Step 4: Simplify right side
117,685,102.44x = 11,940,841,491,033,660 - Step 5: Solve for x
x = 11,940,841,491,033,660/117,685,102.44 - Step 6: Final answer
x = 101,464,342.07
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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.