Finding the Fourth Proportional to 234,012,145.20, 351,018,217.80 and 113,079,793.20
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Solution
The fourth proportional to 234,012,145.20, 351,018,217.80 and 113,079,793.20 is: 169,619,689.80
Step by Step Solution
- Step 1: Write the proportion equation
234,012,145.20 : 351,018,217.80 = 113,079,793.20 : x - Step 2: Convert to fraction form
234,012,145.20/351,018,217.80 = 113,079,793.20/x - Step 3: Cross multiply
234,012,145.20x = 351,018,217.80 × 113,079,793.20 - Step 4: Simplify right side
234,012,145.20x = 39,693,067,478,256,560 - Step 5: Solve for x
x = 39,693,067,478,256,560/234,012,145.20 - Step 6: Final answer
x = 169,619,689.80
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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.