Finding the Fourth Proportional to 55,707,535.09, 76,876,676.67 and 34,811,701.30
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Solution
The fourth proportional to 55,707,535.09, 76,876,676.67 and 34,811,701.30 is: 48,040,321.67
Step by Step Solution
- Step 1: Write the proportion equation
55,707,535.09 : 76,876,676.67 = 34,811,701.30 : x - Step 2: Convert to fraction form
55,707,535.09/76,876,676.67 = 34,811,701.30/x - Step 3: Cross multiply
55,707,535.09x = 76,876,676.67 × 34,811,701.30 - Step 4: Simplify right side
55,707,535.09x = 2,676,207,905,172,718.50 - Step 5: Solve for x
x = 2,676,207,905,172,718.50/55,707,535.09 - Step 6: Final answer
x = 48,040,321.67
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.