Finding the Fourth Proportional to 276,659,793.70, 414,989,690.55 and 85,183,569.70
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Solution
The fourth proportional to 276,659,793.70, 414,989,690.55 and 85,183,569.70 is: 127,775,354.55
Step by Step Solution
- Step 1: Write the proportion equation
276,659,793.70 : 414,989,690.55 = 85,183,569.70 : x - Step 2: Convert to fraction form
276,659,793.70/414,989,690.55 = 85,183,569.70/x - Step 3: Cross multiply
276,659,793.70x = 414,989,690.55 × 85,183,569.70 - Step 4: Simplify right side
276,659,793.70x = 35,350,303,229,747,360 - Step 5: Solve for x
x = 35,350,303,229,747,360/276,659,793.70 - Step 6: Final answer
x = 127,775,354.55
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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.