Finding the Fourth Proportional to 242,582,212.80, 363,873,319.20 and 236,204,920.80
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Solution
The fourth proportional to 242,582,212.80, 363,873,319.20 and 236,204,920.80 is: 354,307,381.20
Step by Step Solution
- Step 1: Write the proportion equation
242,582,212.80 : 363,873,319.20 = 236,204,920.80 : x - Step 2: Convert to fraction form
242,582,212.80/363,873,319.20 = 236,204,920.80/x - Step 3: Cross multiply
242,582,212.80x = 363,873,319.20 × 236,204,920.80 - Step 4: Simplify right side
242,582,212.80x = 85,948,668,542,869,120 - Step 5: Solve for x
x = 85,948,668,542,869,120/242,582,212.80 - Step 6: Final answer
x = 354,307,381.20
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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.