Finding the Fourth Proportional to 81,544,182.64, 122,337,444.12 and 30,426,586
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Solution
The fourth proportional to 81,544,182.64, 122,337,444.12 and 30,426,586 is: 45,647,778.22
Step by Step Solution
- Step 1: Write the proportion equation
81,544,182.64 : 122,337,444.12 = 30,426,586 : x - Step 2: Convert to fraction form
81,544,182.64/122,337,444.12 = 30,426,586/x - Step 3: Cross multiply
81,544,182.64x = 122,337,444.12 × 30,426,586 - Step 4: Simplify right side
81,544,182.64x = 3,722,310,764,537,374.50 - Step 5: Solve for x
x = 3,722,310,764,537,374.50/81,544,182.64 - Step 6: Final answer
x = 45,647,778.22
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.