Finding the Fourth Proportional to 179,615,811.80, 269,423,717.70 and 122,220,183.80
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Solution
The fourth proportional to 179,615,811.80, 269,423,717.70 and 122,220,183.80 is: 183,330,275.70
Step by Step Solution
- Step 1: Write the proportion equation
179,615,811.80 : 269,423,717.70 = 122,220,183.80 : x - Step 2: Convert to fraction form
179,615,811.80/269,423,717.70 = 122,220,183.80/x - Step 3: Cross multiply
179,615,811.80x = 269,423,717.70 × 122,220,183.80 - Step 4: Simplify right side
179,615,811.80x = 32,929,016,297,373,312 - Step 5: Solve for x
x = 32,929,016,297,373,312/179,615,811.80 - Step 6: Final answer
x = 183,330,275.70
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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.