Finding the Fourth Proportional to 51,304,173.31, 70,799,827.53 and 27,782,750.58
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Solution
The fourth proportional to 51,304,173.31, 70,799,827.53 and 27,782,750.58 is: 38,340,232.82
Step by Step Solution
- Step 1: Write the proportion equation
51,304,173.31 : 70,799,827.53 = 27,782,750.58 : x - Step 2: Convert to fraction form
51,304,173.31/70,799,827.53 = 27,782,750.58/x - Step 3: Cross multiply
51,304,173.31x = 70,799,827.53 × 27,782,750.58 - Step 4: Simplify right side
51,304,173.31x = 1,967,013,949,373,007.25 - Step 5: Solve for x
x = 1,967,013,949,373,007.25/51,304,173.31 - Step 6: Final answer
x = 38,340,232.82
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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.