Finding the Fourth Proportional to 45,398,047.08, 68,096,621.61 and 20,798,995.80
Calculator
Solution
The fourth proportional to 45,398,047.08, 68,096,621.61 and 20,798,995.80 is: 31,198,287.99
Step by Step Solution
- Step 1: Write the proportion equation
45,398,047.08 : 68,096,621.61 = 20,798,995.80 : x - Step 2: Convert to fraction form
45,398,047.08/68,096,621.61 = 20,798,995.80/x - Step 3: Cross multiply
45,398,047.08x = 68,096,621.61 × 20,798,995.80 - Step 4: Simplify right side
45,398,047.08x = 1,416,341,346,860,579.25 - Step 5: Solve for x
x = 1,416,341,346,860,579.25/45,398,047.08 - Step 6: Final answer
x = 31,198,287.99
Related Problems
Find fourth proportional to 22,699,023.54, 34,048,310.81 and 10,399,497.90
Half scale
Find fourth proportional to 90,796,094.16, 136,193,243.22 and 41,597,991.60
Double scale
Find fourth proportional to 45,398,048.08, 68,096,623.11 and 20,798,996.80
Similar ratio
Find fourth proportional to 68,097,070.62, 102,144,932.42 and 31,198,493.70
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.