Finding the Fourth Proportional to 45,453,403.98, 68,180,360.85 and 15,161,183.82
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Solution
The fourth proportional to 45,453,403.98, 68,180,360.85 and 15,161,183.82 is: 22,741,860.75
Step by Step Solution
- Step 1: Write the proportion equation
45,453,403.98 : 68,180,360.85 = 15,161,183.82 : x - Step 2: Convert to fraction form
45,453,403.98/68,180,360.85 = 15,161,183.82/x - Step 3: Cross multiply
45,453,403.98x = 68,180,360.85 × 15,161,183.82 - Step 4: Simplify right side
45,453,403.98x = 1,033,694,983,760,781.38 - Step 5: Solve for x
x = 1,033,694,983,760,781.38/45,453,403.98 - Step 6: Final answer
x = 22,741,860.75
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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.