Finding the Fourth Proportional to 146,222,185.68, 201,878,505.36 and 94,101,996.96
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Solution
The fourth proportional to 146,222,185.68, 201,878,505.36 and 94,101,996.96 is: 129,919,891.49
Step by Step Solution
- Step 1: Write the proportion equation
146,222,185.68 : 201,878,505.36 = 94,101,996.96 : x - Step 2: Convert to fraction form
146,222,185.68/201,878,505.36 = 94,101,996.96/x - Step 3: Cross multiply
146,222,185.68x = 201,878,505.36 × 94,101,996.96 - Step 4: Simplify right side
146,222,185.68x = 18,997,170,497,676,064 - Step 5: Solve for x
x = 18,997,170,497,676,064/146,222,185.68 - Step 6: Final answer
x = 129,919,891.49
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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.