Finding the Fourth Proportional to 374,428,129.20, 561,642,193.80 and 170,354,785.20
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Solution
The fourth proportional to 374,428,129.20, 561,642,193.80 and 170,354,785.20 is: 255,532,177.80
Step by Step Solution
- Step 1: Write the proportion equation
374,428,129.20 : 561,642,193.80 = 170,354,785.20 : x - Step 2: Convert to fraction form
374,428,129.20/561,642,193.80 = 170,354,785.20/x - Step 3: Cross multiply
374,428,129.20x = 561,642,193.80 × 170,354,785.20 - Step 4: Simplify right side
374,428,129.20x = 95,678,435,284,055,760 - Step 5: Solve for x
x = 95,678,435,284,055,760/374,428,129.20 - Step 6: Final answer
x = 255,532,177.80
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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.