Finding the Fourth Proportional to 48,293,286.24, 66,622,750.38 and 28,703,040.96
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Solution
The fourth proportional to 48,293,286.24, 66,622,750.38 and 28,703,040.96 is: 39,597,129.99
Step by Step Solution
- Step 1: Write the proportion equation
48,293,286.24 : 66,622,750.38 = 28,703,040.96 : x - Step 2: Convert to fraction form
48,293,286.24/66,622,750.38 = 28,703,040.96/x - Step 3: Cross multiply
48,293,286.24x = 66,622,750.38 × 28,703,040.96 - Step 4: Simplify right side
48,293,286.24x = 1,912,275,533,024,995.75 - Step 5: Solve for x
x = 1,912,275,533,024,995.75/48,293,286.24 - Step 6: Final answer
x = 39,597,129.99
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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.