Finding the Fourth Proportional to 161,045,478.18, 222,249,051.86 and 91,437,336
Calculator
Solution
The fourth proportional to 161,045,478.18, 222,249,051.86 and 91,437,336 is: 126,187,096.09
Step by Step Solution
- Step 1: Write the proportion equation
161,045,478.18 : 222,249,051.86 = 91,437,336 : x - Step 2: Convert to fraction form
161,045,478.18/222,249,051.86 = 91,437,336/x - Step 3: Cross multiply
161,045,478.18x = 222,249,051.86 × 91,437,336 - Step 4: Simplify right side
161,045,478.18x = 20,321,861,230,147,056 - Step 5: Solve for x
x = 20,321,861,230,147,056/161,045,478.18 - Step 6: Final answer
x = 126,187,096.09
Related Problems
Find fourth proportional to 80,522,739.09, 111,124,525.93 and 45,718,668
Half scale
Find fourth proportional to 322,090,956.36, 444,498,103.71 and 182,874,672
Double scale
Find fourth proportional to 161,045,479.18, 222,249,053.24 and 91,437,337
Similar ratio
Find fourth proportional to 241,568,217.27, 333,373,577.78 and 137,156,004
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.