Finding the Fourth Proportional to 48,270,231.20, 72,386,101.20 and 15,913,128.80
Calculator
Solution
The fourth proportional to 48,270,231.20, 72,386,101.20 and 15,913,128.80 is: 23,863,348.55
Step by Step Solution
- Step 1: Write the proportion equation
48,270,231.20 : 72,386,101.20 = 15,913,128.80 : x - Step 2: Convert to fraction form
48,270,231.20/72,386,101.20 = 15,913,128.80/x - Step 3: Cross multiply
48,270,231.20x = 72,386,101.20 × 15,913,128.80 - Step 4: Simplify right side
48,270,231.20x = 1,151,889,351,725,434.75 - Step 5: Solve for x
x = 1,151,889,351,725,434.75/48,270,231.20 - Step 6: Final answer
x = 23,863,348.55
Related Problems
Find fourth proportional to 24,135,115.60, 36,193,050.60 and 7,956,564.40
Half scale
Find fourth proportional to 96,540,462.40, 144,772,202.40 and 31,826,257.60
Double scale
Find fourth proportional to 48,270,232.20, 72,386,102.70 and 15,913,129.80
Similar ratio
Find fourth proportional to 72,405,346.80, 108,579,151.80 and 23,869,693.20
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.