Finding the Fourth Proportional to 165,397,461.36, 228,244,324.96 and 91,057,279.76
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Solution
The fourth proportional to 165,397,461.36, 228,244,324.96 and 91,057,279.76 is: 125,656,749.39
Step by Step Solution
- Step 1: Write the proportion equation
165,397,461.36 : 228,244,324.96 = 91,057,279.76 : x - Step 2: Convert to fraction form
165,397,461.36/228,244,324.96 = 91,057,279.76/x - Step 3: Cross multiply
165,397,461.36x = 228,244,324.96 × 91,057,279.76 - Step 4: Simplify right side
165,397,461.36x = 20,783,307,351,515,072 - Step 5: Solve for x
x = 20,783,307,351,515,072/165,397,461.36 - Step 6: Final answer
x = 125,656,749.39
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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.