Finding the Fourth Proportional to 168,503,620,233.42, 232,534,939,811.67 and 92,378,399,749.38
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Solution
The fourth proportional to 168,503,620,233.42, 232,534,939,811.67 and 92,378,399,749.38 is: 127,482,160,892.83
Step by Step Solution
- Step 1: Write the proportion equation
168,503,620,233.42 : 232,534,939,811.67 = 92,378,399,749.38 : x - Step 2: Convert to fraction form
168,503,620,233.42/232,534,939,811.67 = 92,378,399,749.38/x - Step 3: Cross multiply
168,503,620,233.42x = 232,534,939,811.67 × 92,378,399,749.38 - Step 4: Simplify right side
168,503,620,233.42x = 21,481,205,625,620,472,528,896 - Step 5: Solve for x
x = 21,481,205,625,620,472,528,896/168,503,620,233.42 - Step 6: Final answer
x = 127,482,160,892.83
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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.