Finding the Fourth Proportional to 168,394,676.08, 232,384,650.96 and 91,132,340.08
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Solution
The fourth proportional to 168,394,676.08, 232,384,650.96 and 91,132,340.08 is: 125,762,628.21
Step by Step Solution
- Step 1: Write the proportion equation
168,394,676.08 : 232,384,650.96 = 91,132,340.08 : x - Step 2: Convert to fraction form
168,394,676.08/232,384,650.96 = 91,132,340.08/x - Step 3: Cross multiply
168,394,676.08x = 232,384,650.96 × 91,132,340.08 - Step 4: Simplify right side
168,394,676.08x = 21,177,757,040,658,820 - Step 5: Solve for x
x = 21,177,757,040,658,820/168,394,676.08 - Step 6: Final answer
x = 125,762,628.21
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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.