Finding the Fourth Proportional to 81,760,677.13, 122,659,244.80 and 23,463,810.70
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Solution
The fourth proportional to 81,760,677.13, 122,659,244.80 and 23,463,810.70 is: 35,200,947.46
Step by Step Solution
- Step 1: Write the proportion equation
81,760,677.13 : 122,659,244.80 = 23,463,810.70 : x - Step 2: Convert to fraction form
81,760,677.13/122,659,244.80 = 23,463,810.70/x - Step 3: Cross multiply
81,760,677.13x = 122,659,244.80 × 23,463,810.70 - Step 4: Simplify right side
81,760,677.13x = 2,878,053,299,978,863 - Step 5: Solve for x
x = 2,878,053,299,978,863/81,760,677.13 - Step 6: Final answer
x = 35,200,947.46
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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.