Finding the Fourth Proportional to 81,448,862.14, 112,367,625.75 and 46,622,941.18
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Solution
The fourth proportional to 81,448,862.14, 112,367,625.75 and 46,622,941.18 is: 64,321,453.59
Step by Step Solution
- Step 1: Write the proportion equation
81,448,862.14 : 112,367,625.75 = 46,622,941.18 : x - Step 2: Convert to fraction form
81,448,862.14/112,367,625.75 = 46,622,941.18/x - Step 3: Cross multiply
81,448,862.14x = 112,367,625.75 × 46,622,941.18 - Step 4: Simplify right side
81,448,862.14x = 5,238,909,205,878,503 - Step 5: Solve for x
x = 5,238,909,205,878,503/81,448,862.14 - Step 6: Final answer
x = 64,321,453.59
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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.