Finding the Fourth Proportional to 103,615,992.40, 145,274,726 and 103,615,992.40
Calculator
Solution
The fourth proportional to 103,615,992.40, 145,274,726 and 103,615,992.40 is: 145,274,726
Step by Step Solution
- Step 1: Write the proportion equation
103,615,992.40 : 145,274,726 = 103,615,992.40 : x - Step 2: Convert to fraction form
103,615,992.40/145,274,726 = 103,615,992.40/x - Step 3: Cross multiply
103,615,992.40x = 145,274,726 × 103,615,992.40 - Step 4: Simplify right side
103,615,992.40x = 15,052,784,905,128,084 - Step 5: Solve for x
x = 15,052,784,905,128,084/103,615,992.40 - Step 6: Final answer
x = 145,274,726
Related Problems
Find fourth proportional to 51,807,996.20, 72,637,363 and 51,807,996.20
Half scale
Find fourth proportional to 207,231,984.80, 290,549,452 and 207,231,984.80
Double scale
Find fourth proportional to 103,615,993.40, 145,274,727.40 and 103,615,993.40
Similar ratio
Find fourth proportional to 155,423,988.60, 217,912,089 and 155,423,988.60
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.