Finding the Fourth Proportional to 133,471,165.07, 184,193,174.52 and 76,183,701.68
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Solution
The fourth proportional to 133,471,165.07, 184,193,174.52 and 76,183,701.68 is: 105,135,201.68
Step by Step Solution
- Step 1: Write the proportion equation
133,471,165.07 : 184,193,174.52 = 76,183,701.68 : x - Step 2: Convert to fraction form
133,471,165.07/184,193,174.52 = 76,183,701.68/x - Step 3: Cross multiply
133,471,165.07x = 184,193,174.52 × 76,183,701.68 - Step 4: Simplify right side
133,471,165.07x = 14,032,517,858,202,892 - Step 5: Solve for x
x = 14,032,517,858,202,892/133,471,165.07 - Step 6: Final answer
x = 105,135,201.68
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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.