Finding the Fourth Proportional to 106,424,311.06, 146,837,755.60 and 62,347,615.53
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Solution
The fourth proportional to 106,424,311.06, 146,837,755.60 and 62,347,615.53 is: 86,023,426.79
Step by Step Solution
- Step 1: Write the proportion equation
106,424,311.06 : 146,837,755.60 = 62,347,615.53 : x - Step 2: Convert to fraction form
106,424,311.06/146,837,755.60 = 62,347,615.53/x - Step 3: Cross multiply
106,424,311.06x = 146,837,755.60 × 62,347,615.53 - Step 4: Simplify right side
106,424,311.06x = 9,154,983,931,436,904 - Step 5: Solve for x
x = 9,154,983,931,436,904/106,424,311.06 - Step 6: Final answer
x = 86,023,426.79
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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.