Finding the Fourth Proportional to 226,787,336.26, 312,982,253.60 and 137,483,044.42
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Solution
The fourth proportional to 226,787,336.26, 312,982,253.60 and 137,483,044.42 is: 189,736,136.88
Step by Step Solution
- Step 1: Write the proportion equation
226,787,336.26 : 312,982,253.60 = 137,483,044.42 : x - Step 2: Convert to fraction form
226,787,336.26/312,982,253.60 = 137,483,044.42/x - Step 3: Cross multiply
226,787,336.26x = 312,982,253.60 × 137,483,044.42 - Step 4: Simplify right side
226,787,336.26x = 43,029,753,074,360,504 - Step 5: Solve for x
x = 43,029,753,074,360,504/226,787,336.26 - Step 6: Final answer
x = 189,736,136.88
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.