Finding the Fourth Proportional to 128,164,811.60, 192,265,879.80 and 41,882,315.60
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Solution
The fourth proportional to 128,164,811.60, 192,265,879.80 and 41,882,315.60 is: 62,829,571.99
Step by Step Solution
- Step 1: Write the proportion equation
128,164,811.60 : 192,265,879.80 = 41,882,315.60 : x - Step 2: Convert to fraction form
128,164,811.60/192,265,879.80 = 41,882,315.60/x - Step 3: Cross multiply
128,164,811.60x = 192,265,879.80 × 41,882,315.60 - Step 4: Simplify right side
128,164,811.60x = 8,052,540,256,895,266 - Step 5: Solve for x
x = 8,052,540,256,895,266/128,164,811.60 - Step 6: Final answer
x = 62,829,571.99
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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.