Finding the Fourth Proportional to 182,004,138.40, 273,006,207.60 and 120,782,135.20
Calculator
Solution
The fourth proportional to 182,004,138.40, 273,006,207.60 and 120,782,135.20 is: 181,173,202.80
Step by Step Solution
- Step 1: Write the proportion equation
182,004,138.40 : 273,006,207.60 = 120,782,135.20 : x - Step 2: Convert to fraction form
182,004,138.40/273,006,207.60 = 120,782,135.20/x - Step 3: Cross multiply
182,004,138.40x = 273,006,207.60 × 120,782,135.20 - Step 4: Simplify right side
182,004,138.40x = 32,974,272,676,782,472 - Step 5: Solve for x
x = 32,974,272,676,782,472/182,004,138.40 - Step 6: Final answer
x = 181,173,202.80
Related Problems
Find fourth proportional to 91,002,069.20, 136,503,103.80 and 60,391,067.60
Half scale
Find fourth proportional to 364,008,276.80, 546,012,415.20 and 241,564,270.40
Double scale
Find fourth proportional to 182,004,139.40, 273,006,209.10 and 120,782,136.20
Similar ratio
Find fourth proportional to 273,006,207.60, 409,509,311.40 and 181,173,202.80
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.