Finding the Fourth Proportional to 110,186,571.80, 165,279,857.70 and 103,468,107.80
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Solution
The fourth proportional to 110,186,571.80, 165,279,857.70 and 103,468,107.80 is: 155,202,161.70
Step by Step Solution
- Step 1: Write the proportion equation
110,186,571.80 : 165,279,857.70 = 103,468,107.80 : x - Step 2: Convert to fraction form
110,186,571.80/165,279,857.70 = 103,468,107.80/x - Step 3: Cross multiply
110,186,571.80x = 165,279,857.70 × 103,468,107.80 - Step 4: Simplify right side
110,186,571.80x = 17,101,194,133,672,258 - Step 5: Solve for x
x = 17,101,194,133,672,258/110,186,571.80 - Step 6: Final answer
x = 155,202,161.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.