Finding the Fourth Proportional to 132,165,739.29, 182,378,027.28 and 76,414,736.81
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Solution
The fourth proportional to 132,165,739.29, 182,378,027.28 and 76,414,736.81 is: 105,446,154.43
Step by Step Solution
- Step 1: Write the proportion equation
132,165,739.29 : 182,378,027.28 = 76,414,736.81 : x - Step 2: Convert to fraction form
132,165,739.29/182,378,027.28 = 76,414,736.81/x - Step 3: Cross multiply
132,165,739.29x = 182,378,027.28 × 76,414,736.81 - Step 4: Simplify right side
132,165,739.29x = 13,936,368,955,270,700 - Step 5: Solve for x
x = 13,936,368,955,270,700/132,165,739.29 - Step 6: Final answer
x = 105,446,154.43
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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.