Finding the Fourth Proportional to 179,179,850.70, 247,136,167.53 and 135,128,703.78
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Solution
The fourth proportional to 179,179,850.70, 247,136,167.53 and 135,128,703.78 is: 186,378,043.32
Step by Step Solution
- Step 1: Write the proportion equation
179,179,850.70 : 247,136,167.53 = 135,128,703.78 : x - Step 2: Convert to fraction form
179,179,850.70/247,136,167.53 = 135,128,703.78/x - Step 3: Cross multiply
179,179,850.70x = 247,136,167.53 × 135,128,703.78 - Step 4: Simplify right side
179,179,850.70x = 33,395,189,975,485,824 - Step 5: Solve for x
x = 33,395,189,975,485,824/179,179,850.70 - Step 6: Final answer
x = 186,378,043.32
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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.