Finding the Fourth Proportional to 107,961,190.80, 161,811,677.02 and 49,588,318.26
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Solution
The fourth proportional to 107,961,190.80, 161,811,677.02 and 49,588,318.26 is: 74,322,716.13
Step by Step Solution
- Step 1: Write the proportion equation
107,961,190.80 : 161,811,677.02 = 49,588,318.26 : x - Step 2: Convert to fraction form
107,961,190.80/161,811,677.02 = 49,588,318.26/x - Step 3: Cross multiply
107,961,190.80x = 161,811,677.02 × 49,588,318.26 - Step 4: Simplify right side
107,961,190.80x = 8,023,968,937,195,088 - Step 5: Solve for x
x = 8,023,968,937,195,088/107,961,190.80 - Step 6: Final answer
x = 74,322,716.13
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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.