Finding the Fourth Proportional to 86,150,102.91, 118,887,511.64 and 46,992,732.99
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Solution
The fourth proportional to 86,150,102.91, 118,887,511.64 and 46,992,732.99 is: 64,850,173.14
Step by Step Solution
- Step 1: Write the proportion equation
86,150,102.91 : 118,887,511.64 = 46,992,732.99 : x - Step 2: Convert to fraction form
86,150,102.91/118,887,511.64 = 46,992,732.99/x - Step 3: Cross multiply
86,150,102.91x = 118,887,511.64 × 46,992,732.99 - Step 4: Simplify right side
86,150,102.91x = 5,586,849,090,109,074 - Step 5: Solve for x
x = 5,586,849,090,109,074/86,150,102.91 - Step 6: Final answer
x = 64,850,173.14
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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.