Finding the Fourth Proportional to 76,806,548.26, 115,209,939 and 31,368,342.76
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Solution
The fourth proportional to 76,806,548.26, 115,209,939 and 31,368,342.76 is: 47,052,561.76
Step by Step Solution
- Step 1: Write the proportion equation
76,806,548.26 : 115,209,939 = 31,368,342.76 : x - Step 2: Convert to fraction form
76,806,548.26/115,209,939 = 31,368,342.76/x - Step 3: Cross multiply
76,806,548.26x = 115,209,939 × 31,368,342.76 - Step 4: Simplify right side
76,806,548.26x = 3,613,944,855,910,692 - Step 5: Solve for x
x = 3,613,944,855,910,692/76,806,548.26 - Step 6: Final answer
x = 47,052,561.76
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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.