Finding the Fourth Proportional to 122,887,107.54, 169,586,708.31 and 67,136,138.93
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Solution
The fourth proportional to 122,887,107.54, 169,586,708.31 and 67,136,138.93 is: 92,649,237.48
Step by Step Solution
- Step 1: Write the proportion equation
122,887,107.54 : 169,586,708.31 = 67,136,138.93 : x - Step 2: Convert to fraction form
122,887,107.54/169,586,708.31 = 67,136,138.93/x - Step 3: Cross multiply
122,887,107.54x = 169,586,708.31 × 67,136,138.93 - Step 4: Simplify right side
122,887,107.54x = 11,385,396,810,205,514 - Step 5: Solve for x
x = 11,385,396,810,205,514/122,887,107.54 - Step 6: Final answer
x = 92,649,237.48
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.