Finding the Fourth Proportional to 168,624,766.98, 232,612,418.25 and 102,565,469.70
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Solution
The fourth proportional to 168,624,766.98, 232,612,418.25 and 102,565,469.70 is: 141,485,751.85
Step by Step Solution
- Step 1: Write the proportion equation
168,624,766.98 : 232,612,418.25 = 102,565,469.70 : x - Step 2: Convert to fraction form
168,624,766.98/232,612,418.25 = 102,565,469.70/x - Step 3: Cross multiply
168,624,766.98x = 232,612,418.25 × 102,565,469.70 - Step 4: Simplify right side
168,624,766.98x = 23,858,001,935,864,104 - Step 5: Solve for x
x = 23,858,001,935,864,104/168,624,766.98 - Step 6: Final answer
x = 141,485,751.85
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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.