Finding the Fourth Proportional to 312,405,762.93, 468,278,251.43 and 115,542,661.68
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Solution
The fourth proportional to 312,405,762.93, 468,278,251.43 and 115,542,661.68 is: 173,191,797.32
Step by Step Solution
- Step 1: Write the proportion equation
312,405,762.93 : 468,278,251.43 = 115,542,661.68 : x - Step 2: Convert to fraction form
312,405,762.93/468,278,251.43 = 115,542,661.68/x - Step 3: Cross multiply
312,405,762.93x = 468,278,251.43 × 115,542,661.68 - Step 4: Simplify right side
312,405,762.93x = 54,106,115,576,500,760 - Step 5: Solve for x
x = 54,106,115,576,500,760/312,405,762.93 - Step 6: Final answer
x = 173,191,797.32
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.