Finding the Fourth Proportional to 168,503,620,236.42, 232,534,939,815.81 and 92,378,399,752.38
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Solution
The fourth proportional to 168,503,620,236.42, 232,534,939,815.81 and 92,378,399,752.38 is: 127,482,160,896.97
Step by Step Solution
- Step 1: Write the proportion equation
168,503,620,236.42 : 232,534,939,815.81 = 92,378,399,752.38 : x - Step 2: Convert to fraction form
168,503,620,236.42/232,534,939,815.81 = 92,378,399,752.38/x - Step 3: Cross multiply
168,503,620,236.42x = 232,534,939,815.81 × 92,378,399,752.38 - Step 4: Simplify right side
168,503,620,236.42x = 21,481,205,626,700,522,586,112 - Step 5: Solve for x
x = 21,481,205,626,700,522,586,112/168,503,620,236.42 - Step 6: Final answer
x = 127,482,160,896.97
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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.