Finding the Fourth Proportional to 53,236,687.68, 79,869,178.56 and 16,845,724.80
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Solution
The fourth proportional to 53,236,687.68, 79,869,178.56 and 16,845,724.80 is: 25,273,063.76
Step by Step Solution
- Step 1: Write the proportion equation
53,236,687.68 : 79,869,178.56 = 16,845,724.80 : x - Step 2: Convert to fraction form
53,236,687.68/79,869,178.56 = 16,845,724.80/x - Step 3: Cross multiply
53,236,687.68x = 79,869,178.56 × 16,845,724.80 - Step 4: Simplify right side
53,236,687.68x = 1,345,454,202,023,820.50 - Step 5: Solve for x
x = 1,345,454,202,023,820.50/53,236,687.68 - Step 6: Final answer
x = 25,273,063.76
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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.