Finding the Fourth Proportional to 55,128,814.49, 82,744,321.53 and 27,854,276.60
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Solution
The fourth proportional to 55,128,814.49, 82,744,321.53 and 27,854,276.60 is: 41,807,233.48
Step by Step Solution
- Step 1: Write the proportion equation
55,128,814.49 : 82,744,321.53 = 27,854,276.60 : x - Step 2: Convert to fraction form
55,128,814.49/82,744,321.53 = 27,854,276.60/x - Step 3: Cross multiply
55,128,814.49x = 82,744,321.53 × 27,854,276.60 - Step 4: Simplify right side
55,128,814.49x = 2,304,783,218,975,955.50 - Step 5: Solve for x
x = 2,304,783,218,975,955.50/55,128,814.49 - Step 6: Final answer
x = 41,807,233.48
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.