Finding the Fourth Proportional to 48,732,132.72, 67,250,422.20 and 26,702,131.44
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Solution
The fourth proportional to 48,732,132.72, 67,250,422.20 and 26,702,131.44 is: 36,848,984.70
Step by Step Solution
- Step 1: Write the proportion equation
48,732,132.72 : 67,250,422.20 = 26,702,131.44 : x - Step 2: Convert to fraction form
48,732,132.72/67,250,422.20 = 26,702,131.44/x - Step 3: Cross multiply
48,732,132.72x = 67,250,422.20 × 26,702,131.44 - Step 4: Simplify right side
48,732,132.72x = 1,795,729,612,979,894.25 - Step 5: Solve for x
x = 1,795,729,612,979,894.25/48,732,132.72 - Step 6: Final answer
x = 36,848,984.70
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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.