Finding the Fourth Proportional to 74,557,471.12, 102,886,000.68 and 41,519,424.40
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Solution
The fourth proportional to 74,557,471.12, 102,886,000.68 and 41,519,424.40 is: 57,294,962.70
Step by Step Solution
- Step 1: Write the proportion equation
74,557,471.12 : 102,886,000.68 = 41,519,424.40 : x - Step 2: Convert to fraction form
74,557,471.12/102,886,000.68 = 41,519,424.40/x - Step 3: Cross multiply
74,557,471.12x = 102,886,000.68 × 41,519,424.40 - Step 4: Simplify right side
74,557,471.12x = 4,271,767,527,051,608.50 - Step 5: Solve for x
x = 4,271,767,527,051,608.50/74,557,471.12 - Step 6: Final answer
x = 57,294,962.70
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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.