Finding the Fourth Proportional to 211,575,614.56, 317,218,537.68 and 107,743,831.36
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Solution
The fourth proportional to 211,575,614.56, 317,218,537.68 and 107,743,831.36 is: 161,541,965.50
Step by Step Solution
- Step 1: Write the proportion equation
211,575,614.56 : 317,218,537.68 = 107,743,831.36 : x - Step 2: Convert to fraction form
211,575,614.56/317,218,537.68 = 107,743,831.36/x - Step 3: Cross multiply
211,575,614.56x = 317,218,537.68 × 107,743,831.36 - Step 4: Simplify right side
211,575,614.56x = 34,178,340,628,059,728 - Step 5: Solve for x
x = 34,178,340,628,059,728/211,575,614.56 - Step 6: Final answer
x = 161,541,965.50
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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.