Finding the Fourth Proportional to 48,515,817.58, 66,957,699.81 and 27,612,932.74
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Solution
The fourth proportional to 48,515,817.58, 66,957,699.81 and 27,612,932.74 is: 38,109,188.99
Step by Step Solution
- Step 1: Write the proportion equation
48,515,817.58 : 66,957,699.81 = 27,612,932.74 : x - Step 2: Convert to fraction form
48,515,817.58/66,957,699.81 = 27,612,932.74/x - Step 3: Cross multiply
48,515,817.58x = 66,957,699.81 × 27,612,932.74 - Step 4: Simplify right side
48,515,817.58x = 1,848,898,461,278,640.75 - Step 5: Solve for x
x = 1,848,898,461,278,640.75/48,515,817.58 - Step 6: Final answer
x = 38,109,188.99
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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.