Finding the Fourth Proportional to 111,775,440.79, 154,250,115.41 and 62,214,747.58
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Solution
The fourth proportional to 111,775,440.79, 154,250,115.41 and 62,214,747.58 is: 85,856,355.62
Step by Step Solution
- Step 1: Write the proportion equation
111,775,440.79 : 154,250,115.41 = 62,214,747.58 : x - Step 2: Convert to fraction form
111,775,440.79/154,250,115.41 = 62,214,747.58/x - Step 3: Cross multiply
111,775,440.79x = 154,250,115.41 × 62,214,747.58 - Step 4: Simplify right side
111,775,440.79x = 9,596,631,994,419,018 - Step 5: Solve for x
x = 9,596,631,994,419,018/111,775,440.79 - Step 6: Final answer
x = 85,856,355.62
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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.