Finding the Fourth Proportional to 134,568,324.82, 185,704,362.96 and 72,688,663.99
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Solution
The fourth proportional to 134,568,324.82, 185,704,362.96 and 72,688,663.99 is: 100,310,396.66
Step by Step Solution
- Step 1: Write the proportion equation
134,568,324.82 : 185,704,362.96 = 72,688,663.99 : x - Step 2: Convert to fraction form
134,568,324.82/185,704,362.96 = 72,688,663.99/x - Step 3: Cross multiply
134,568,324.82x = 185,704,362.96 × 72,688,663.99 - Step 4: Simplify right side
134,568,324.82x = 13,498,602,040,676,442 - Step 5: Solve for x
x = 13,498,602,040,676,442/134,568,324.82 - Step 6: Final answer
x = 100,310,396.66
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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.