Finding the Fourth Proportional to 196,695,846.99, 271,475,799.48 and 117,315,996.84
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Solution
The fourth proportional to 196,695,846.99, 271,475,799.48 and 117,315,996.84 is: 161,917,267.30
Step by Step Solution
- Step 1: Write the proportion equation
196,695,846.99 : 271,475,799.48 = 117,315,996.84 : x - Step 2: Convert to fraction form
196,695,846.99/271,475,799.48 = 117,315,996.84/x - Step 3: Cross multiply
196,695,846.99x = 271,475,799.48 × 117,315,996.84 - Step 4: Simplify right side
196,695,846.99x = 31,848,454,033,932,156 - Step 5: Solve for x
x = 31,848,454,033,932,156/196,695,846.99 - Step 6: Final answer
x = 161,917,267.30
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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.