Finding the Fourth Proportional to 80,585,222.20, 120,833,510.10 and 55,055,059
Calculator
Solution
The fourth proportional to 80,585,222.20, 120,833,510.10 and 55,055,059 is: 82,552,307.31
Step by Step Solution
- Step 1: Write the proportion equation
80,585,222.20 : 120,833,510.10 = 55,055,059 : x - Step 2: Convert to fraction form
80,585,222.20/120,833,510.10 = 55,055,059/x - Step 3: Cross multiply
80,585,222.20x = 120,833,510.10 × 55,055,059 - Step 4: Simplify right side
80,585,222.20x = 6,652,496,027,732,596 - Step 5: Solve for x
x = 6,652,496,027,732,596/80,585,222.20 - Step 6: Final answer
x = 82,552,307.31
Related Problems
Find fourth proportional to 40,292,611.10, 60,416,755.05 and 27,527,529.50
Half scale
Find fourth proportional to 161,170,444.40, 241,667,020.20 and 110,110,118
Double scale
Find fourth proportional to 80,585,223.20, 120,833,511.60 and 55,055,060
Similar ratio
Find fourth proportional to 120,877,833.30, 181,250,265.15 and 82,582,588.50
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.