Finding the Fourth Proportional to 103,615,942.40, 145,274,656 and 103,615,942.40
Calculator
Solution
The fourth proportional to 103,615,942.40, 145,274,656 and 103,615,942.40 is: 145,274,656
Step by Step Solution
- Step 1: Write the proportion equation
103,615,942.40 : 145,274,656 = 103,615,942.40 : x - Step 2: Convert to fraction form
103,615,942.40/145,274,656 = 103,615,942.40/x - Step 3: Cross multiply
103,615,942.40x = 145,274,656 × 103,615,942.40 - Step 4: Simplify right side
103,615,942.40x = 15,052,770,388,275,816 - Step 5: Solve for x
x = 15,052,770,388,275,816/103,615,942.40 - Step 6: Final answer
x = 145,274,656
Related Problems
Find fourth proportional to 51,807,971.20, 72,637,328 and 51,807,971.20
Half scale
Find fourth proportional to 207,231,884.80, 290,549,312 and 207,231,884.80
Double scale
Find fourth proportional to 103,615,943.40, 145,274,657.40 and 103,615,943.40
Similar ratio
Find fourth proportional to 155,423,913.60, 217,911,984 and 155,423,913.60
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.