Finding the Fourth Proportional to 112,382,765.93, 155,113,218.33 and 68,320,424
Calculator
Solution
The fourth proportional to 112,382,765.93, 155,113,218.33 and 68,320,424 is: 94,297,384.09
Step by Step Solution
- Step 1: Write the proportion equation
112,382,765.93 : 155,113,218.33 = 68,320,424 : x - Step 2: Convert to fraction form
112,382,765.93/155,113,218.33 = 68,320,424/x - Step 3: Cross multiply
112,382,765.93x = 155,113,218.33 × 68,320,424 - Step 4: Simplify right side
112,382,765.93x = 10,597,400,844,310,172 - Step 5: Solve for x
x = 10,597,400,844,310,172/112,382,765.93 - Step 6: Final answer
x = 94,297,384.09
Related Problems
Find fourth proportional to 56,191,382.97, 77,556,609.17 and 34,160,212
Half scale
Find fourth proportional to 224,765,531.86, 310,226,436.66 and 136,640,848
Double scale
Find fourth proportional to 112,382,766.93, 155,113,219.71 and 68,320,425
Similar ratio
Find fourth proportional to 168,574,148.90, 232,669,827.50 and 102,480,636
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.