Finding the Fourth Proportional to 54,744,787.80, 75,551,314.14 and 31,539,493.08
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Solution
The fourth proportional to 54,744,787.80, 75,551,314.14 and 31,539,493.08 is: 43,526,520.88
Step by Step Solution
- Step 1: Write the proportion equation
54,744,787.80 : 75,551,314.14 = 31,539,493.08 : x - Step 2: Convert to fraction form
54,744,787.80/75,551,314.14 = 31,539,493.08/x - Step 3: Cross multiply
54,744,787.80x = 75,551,314.14 × 31,539,493.08 - Step 4: Simplify right side
54,744,787.80x = 2,382,850,149,503,436 - Step 5: Solve for x
x = 2,382,850,149,503,436/54,744,787.80 - Step 6: Final answer
x = 43,526,520.88
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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.