Finding the Fourth Proportional to 168,424,870.39, 232,329,324.16 and 101,397,206.26
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Solution
The fourth proportional to 168,424,870.39, 232,329,324.16 and 101,397,206.26 is: 139,869,749.33
Step by Step Solution
- Step 1: Write the proportion equation
168,424,870.39 : 232,329,324.16 = 101,397,206.26 : x - Step 2: Convert to fraction form
168,424,870.39/232,329,324.16 = 101,397,206.26/x - Step 3: Cross multiply
168,424,870.39x = 232,329,324.16 × 101,397,206.26 - Step 4: Simplify right side
168,424,870.39x = 23,557,544,402,514,068 - Step 5: Solve for x
x = 23,557,544,402,514,068/168,424,870.39 - Step 6: Final answer
x = 139,869,749.33
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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.