Finding the Fourth Proportional to 71,093,528.21, 106,634,973.84 and 25,655,321.09
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Solution
The fourth proportional to 71,093,528.21, 106,634,973.84 and 25,655,321.09 is: 38,481,062.37
Step by Step Solution
- Step 1: Write the proportion equation
71,093,528.21 : 106,634,973.84 = 25,655,321.09 : x - Step 2: Convert to fraction form
71,093,528.21/106,634,973.84 = 25,655,321.09/x - Step 3: Cross multiply
71,093,528.21x = 106,634,973.84 × 25,655,321.09 - Step 4: Simplify right side
71,093,528.21x = 2,735,754,492,755,775.50 - Step 5: Solve for x
x = 2,735,754,492,755,775.50/71,093,528.21 - Step 6: Final answer
x = 38,481,062.37
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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.