Finding the Fourth Proportional to 127,182,708.08, 175,550,197.84 and 74,273,687.66
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Solution
The fourth proportional to 127,182,708.08, 175,550,197.84 and 74,273,687.66 is: 102,519,916.11
Step by Step Solution
- Step 1: Write the proportion equation
127,182,708.08 : 175,550,197.84 = 74,273,687.66 : x - Step 2: Convert to fraction form
127,182,708.08/175,550,197.84 = 74,273,687.66/x - Step 3: Cross multiply
127,182,708.08x = 175,550,197.84 × 74,273,687.66 - Step 4: Simplify right side
127,182,708.08x = 13,038,760,563,019,366 - Step 5: Solve for x
x = 13,038,760,563,019,366/127,182,708.08 - Step 6: Final answer
x = 102,519,916.11
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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.