Finding the Fourth Proportional to 53,649,515.20, 80,474,272.80 and 19,571,972.80
Calculator
Solution
The fourth proportional to 53,649,515.20, 80,474,272.80 and 19,571,972.80 is: 29,357,959.20
Step by Step Solution
- Step 1: Write the proportion equation
53,649,515.20 : 80,474,272.80 = 19,571,972.80 : x - Step 2: Convert to fraction form
53,649,515.20/80,474,272.80 = 19,571,972.80/x - Step 3: Cross multiply
53,649,515.20x = 80,474,272.80 × 19,571,972.80 - Step 4: Simplify right side
53,649,515.20x = 1,575,040,278,341,379.75 - Step 5: Solve for x
x = 1,575,040,278,341,379.75/53,649,515.20 - Step 6: Final answer
x = 29,357,959.20
Related Problems
Find fourth proportional to 26,824,757.60, 40,237,136.40 and 9,785,986.40
Half scale
Find fourth proportional to 107,299,030.40, 160,948,545.60 and 39,143,945.60
Double scale
Find fourth proportional to 53,649,516.20, 80,474,274.30 and 19,571,973.80
Similar ratio
Find fourth proportional to 80,474,272.80, 120,711,409.20 and 29,357,959.20
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.