Finding the Fourth Proportional to 232,561,361.94, 320,833,843.98 and 138,422,719.68
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Solution
The fourth proportional to 232,561,361.94, 320,833,843.98 and 138,422,719.68 is: 190,963,334.92
Step by Step Solution
- Step 1: Write the proportion equation
232,561,361.94 : 320,833,843.98 = 138,422,719.68 : x - Step 2: Convert to fraction form
232,561,361.94/320,833,843.98 = 138,422,719.68/x - Step 3: Cross multiply
232,561,361.94x = 320,833,843.98 × 138,422,719.68 - Step 4: Simplify right side
232,561,361.94x = 44,410,693,249,100,400 - Step 5: Solve for x
x = 44,410,693,249,100,400/232,561,361.94 - Step 6: Final answer
x = 190,963,334.92
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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.