Finding the Fourth Proportional to 52,153,721.40, 78,305,231.70 and 29,478,905.40
Calculator
Solution
The fourth proportional to 52,153,721.40, 78,305,231.70 and 29,478,905.40 is: 44,260,552.38
Step by Step Solution
- Step 1: Write the proportion equation
52,153,721.40 : 78,305,231.70 = 29,478,905.40 : x - Step 2: Convert to fraction form
52,153,721.40/78,305,231.70 = 29,478,905.40/x - Step 3: Cross multiply
52,153,721.40x = 78,305,231.70 × 29,478,905.40 - Step 4: Simplify right side
52,153,721.40x = 2,308,352,517,609,381 - Step 5: Solve for x
x = 2,308,352,517,609,381/52,153,721.40 - Step 6: Final answer
x = 44,260,552.38
Related Problems
Find fourth proportional to 26,076,860.70, 39,152,615.85 and 14,739,452.70
Half scale
Find fourth proportional to 104,307,442.80, 156,610,463.40 and 58,957,810.80
Double scale
Find fourth proportional to 52,153,722.40, 78,305,233.20 and 29,478,906.40
Similar ratio
Find fourth proportional to 78,230,582.10, 117,457,847.55 and 44,218,358.10
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.