Finding the Fourth Proportional to 63,717,755.33, 95,577,186.12 and 20,586,963.31
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Solution
The fourth proportional to 63,717,755.33, 95,577,186.12 and 20,586,963.31 is: 30,880,623.68
Step by Step Solution
- Step 1: Write the proportion equation
63,717,755.33 : 95,577,186.12 = 20,586,963.31 : x - Step 2: Convert to fraction form
63,717,755.33/95,577,186.12 = 20,586,963.31/x - Step 3: Cross multiply
63,717,755.33x = 95,577,186.12 × 20,586,963.31 - Step 4: Simplify right side
63,717,755.33x = 1,967,644,023,874,013.75 - Step 5: Solve for x
x = 1,967,644,023,874,013.75/63,717,755.33 - Step 6: Final answer
x = 30,880,623.68
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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.