Finding the Fourth Proportional to 226,191,540.05, 312,169,600.68 and 136,932,664.55
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Solution
The fourth proportional to 226,191,540.05, 312,169,600.68 and 136,932,664.55 is: 188,982,378.40
Step by Step Solution
- Step 1: Write the proportion equation
226,191,540.05 : 312,169,600.68 = 136,932,664.55 : x - Step 2: Convert to fraction form
226,191,540.05/312,169,600.68 = 136,932,664.55/x - Step 3: Cross multiply
226,191,540.05x = 312,169,600.68 × 136,932,664.55 - Step 4: Simplify right side
226,191,540.05x = 42,746,215,212,621,896 - Step 5: Solve for x
x = 42,746,215,212,621,896/226,191,540.05 - Step 6: Final answer
x = 188,982,378.40
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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.