Finding the Fourth Proportional to 106,657,255.48, 159,985,883.26 and 29,980,283.70
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Solution
The fourth proportional to 106,657,255.48, 159,985,883.26 and 29,980,283.70 is: 44,970,425.56
Step by Step Solution
- Step 1: Write the proportion equation
106,657,255.48 : 159,985,883.26 = 29,980,283.70 : x - Step 2: Convert to fraction form
106,657,255.48/159,985,883.26 = 29,980,283.70/x - Step 3: Cross multiply
106,657,255.48x = 159,985,883.26 × 29,980,283.70 - Step 4: Simplify right side
106,657,255.48x = 4,796,422,168,129,880 - Step 5: Solve for x
x = 4,796,422,168,129,880/106,657,255.48 - Step 6: Final answer
x = 44,970,425.56
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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.