Finding the Fourth Proportional to 179,086,929.40, 268,497,683.70 and 121,435,319.80
Calculator
Solution
The fourth proportional to 179,086,929.40, 268,497,683.70 and 121,435,319.80 is: 182,062,991.39
Step by Step Solution
- Step 1: Write the proportion equation
179,086,929.40 : 268,497,683.70 = 121,435,319.80 : x - Step 2: Convert to fraction form
179,086,929.40/268,497,683.70 = 121,435,319.80/x - Step 3: Cross multiply
179,086,929.40x = 268,497,683.70 × 121,435,319.80 - Step 4: Simplify right side
179,086,929.40x = 32,605,102,085,668,744 - Step 5: Solve for x
x = 32,605,102,085,668,744/179,086,929.40 - Step 6: Final answer
x = 182,062,991.39
Related Problems
Find fourth proportional to 89,543,464.70, 134,248,841.85 and 60,717,659.90
Half scale
Find fourth proportional to 358,173,858.80, 536,995,367.40 and 242,870,639.60
Double scale
Find fourth proportional to 179,086,930.40, 268,497,685.20 and 121,435,320.80
Similar ratio
Find fourth proportional to 268,630,394.10, 402,746,525.55 and 182,152,979.70
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.