Finding the Fourth Proportional to 312,405,759.93, 468,278,246.93 and 115,542,658.68
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Solution
The fourth proportional to 312,405,759.93, 468,278,246.93 and 115,542,658.68 is: 173,191,792.82
Step by Step Solution
- Step 1: Write the proportion equation
312,405,759.93 : 468,278,246.93 = 115,542,658.68 : x - Step 2: Convert to fraction form
312,405,759.93/468,278,246.93 = 115,542,658.68/x - Step 3: Cross multiply
312,405,759.93x = 468,278,246.93 × 115,542,658.68 - Step 4: Simplify right side
312,405,759.93x = 54,106,113,649,967,992 - Step 5: Solve for x
x = 54,106,113,649,967,992/312,405,759.93 - Step 6: Final answer
x = 173,191,792.82
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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.