Finding the Fourth Proportional to 106,109,605.80, 159,164,408.79 and 29,432,634.03
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Solution
The fourth proportional to 106,109,605.80, 159,164,408.79 and 29,432,634.03 is: 44,148,951.07
Step by Step Solution
- Step 1: Write the proportion equation
106,109,605.80 : 159,164,408.79 = 29,432,634.03 : x - Step 2: Convert to fraction form
106,109,605.80/159,164,408.79 = 29,432,634.03/x - Step 3: Cross multiply
106,109,605.80x = 159,164,408.79 × 29,432,634.03 - Step 4: Simplify right side
106,109,605.80x = 4,684,627,794,517,385 - Step 5: Solve for x
x = 4,684,627,794,517,385/106,109,605.80 - Step 6: Final answer
x = 44,148,951.07
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.