Finding the Fourth Proportional to 85,107,168.34, 127,678,686.99 and 27,594,954.70
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Solution
The fourth proportional to 85,107,168.34, 127,678,686.99 and 27,594,954.70 is: 41,398,247.09
Step by Step Solution
- Step 1: Write the proportion equation
85,107,168.34 : 127,678,686.99 = 27,594,954.70 : x - Step 2: Convert to fraction form
85,107,168.34/127,678,686.99 = 27,594,954.70/x - Step 3: Cross multiply
85,107,168.34x = 127,678,686.99 × 27,594,954.70 - Step 4: Simplify right side
85,107,168.34x = 3,523,287,583,644,529 - Step 5: Solve for x
x = 3,523,287,583,644,529/85,107,168.34 - Step 6: Final answer
x = 41,398,247.09
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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.