Finding the Fourth Proportional to 122,364,529,114.20, 183,546,793,671.30 and 72,652,262,515.80
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Solution
The fourth proportional to 122,364,529,114.20, 183,546,793,671.30 and 72,652,262,515.80 is: 108,978,393,773.70
Step by Step Solution
- Step 1: Write the proportion equation
122,364,529,114.20 : 183,546,793,671.30 = 72,652,262,515.80 : x - Step 2: Convert to fraction form
122,364,529,114.20/183,546,793,671.30 = 72,652,262,515.80/x - Step 3: Cross multiply
122,364,529,114.20x = 183,546,793,671.30 × 72,652,262,515.80 - Step 4: Simplify right side
122,364,529,114.20x = 13,335,089,837,740,665,077,760 - Step 5: Solve for x
x = 13,335,089,837,740,665,077,760/122,364,529,114.20 - Step 6: Final answer
x = 108,978,393,773.70
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1.5x scale
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.