Finding the Fourth Proportional to 48,143,798.56, 66,438,441.48 and 27,517,687.68
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Solution
The fourth proportional to 48,143,798.56, 66,438,441.48 and 27,517,687.68 is: 37,974,408.69
Step by Step Solution
- Step 1: Write the proportion equation
48,143,798.56 : 66,438,441.48 = 27,517,687.68 : x - Step 2: Convert to fraction form
48,143,798.56/66,438,441.48 = 27,517,687.68/x - Step 3: Cross multiply
48,143,798.56x = 66,438,441.48 × 27,517,687.68 - Step 4: Simplify right side
48,143,798.56x = 1,828,232,282,592,596.75 - Step 5: Solve for x
x = 1,828,232,282,592,596.75/48,143,798.56 - Step 6: Final answer
x = 37,974,408.69
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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.