Finding the Fourth Proportional to 331,962,902.39, 497,946,249.61 and 137,874,317.67
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Solution
The fourth proportional to 331,962,902.39, 497,946,249.61 and 137,874,317.67 is: 206,812,263.99
Step by Step Solution
- Step 1: Write the proportion equation
331,962,902.39 : 497,946,249.61 = 137,874,317.67 : x - Step 2: Convert to fraction form
331,962,902.39/497,946,249.61 = 137,874,317.67/x - Step 3: Cross multiply
331,962,902.39x = 497,946,249.61 × 137,874,317.67 - Step 4: Simplify right side
331,962,902.39x = 68,653,999,401,744,416 - Step 5: Solve for x
x = 68,653,999,401,744,416/331,962,902.39 - Step 6: Final answer
x = 206,812,263.99
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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.