Finding the Fourth Proportional to 159,586,510.22, 239,448,893.97 and 85,724,104.67
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Solution
The fourth proportional to 159,586,510.22, 239,448,893.97 and 85,724,104.67 is: 128,623,290.41
Step by Step Solution
- Step 1: Write the proportion equation
159,586,510.22 : 239,448,893.97 = 85,724,104.67 : x - Step 2: Convert to fraction form
159,586,510.22/239,448,893.97 = 85,724,104.67/x - Step 3: Cross multiply
159,586,510.22x = 239,448,893.97 × 85,724,104.67 - Step 4: Simplify right side
159,586,510.22x = 20,526,542,049,800,012 - Step 5: Solve for x
x = 20,526,542,049,800,012/159,586,510.22 - Step 6: Final answer
x = 128,623,290.41
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.