Finding the Fourth Proportional to 86,672,764.36, 129,971,350.50 and 32,782,285
Calculator
Solution
The fourth proportional to 86,672,764.36, 129,971,350.50 and 32,782,285 is: 49,159,131.88
Step by Step Solution
- Step 1: Write the proportion equation
86,672,764.36 : 129,971,350.50 = 32,782,285 : x - Step 2: Convert to fraction form
86,672,764.36/129,971,350.50 = 32,782,285/x - Step 3: Cross multiply
86,672,764.36x = 129,971,350.50 × 32,782,285 - Step 4: Simplify right side
86,672,764.36x = 4,260,757,853,925,892.50 - Step 5: Solve for x
x = 4,260,757,853,925,892.50/86,672,764.36 - Step 6: Final answer
x = 49,159,131.88
Related Problems
Find fourth proportional to 43,336,382.18, 64,985,675.25 and 16,391,142.50
Half scale
Find fourth proportional to 173,345,528.72, 259,942,701 and 65,564,570
Double scale
Find fourth proportional to 86,672,765.36, 129,971,352 and 32,782,286
Similar ratio
Find fourth proportional to 130,009,146.54, 194,957,025.75 and 49,173,427.50
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.