Finding the Fourth Proportional to 133,629,361.07, 184,415,745.83 and 74,910,887.82
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Solution
The fourth proportional to 133,629,361.07, 184,415,745.83 and 74,910,887.82 is: 103,381,076.87
Step by Step Solution
- Step 1: Write the proportion equation
133,629,361.07 : 184,415,745.83 = 74,910,887.82 : x - Step 2: Convert to fraction form
133,629,361.07/184,415,745.83 = 74,910,887.82/x - Step 3: Cross multiply
133,629,361.07x = 184,415,745.83 × 74,910,887.82 - Step 4: Simplify right side
133,629,361.07x = 13,814,747,247,738,206 - Step 5: Solve for x
x = 13,814,747,247,738,206/133,629,361.07 - Step 6: Final answer
x = 103,381,076.87
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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.