Finding the Fourth Proportional to 136,125,199.20, 187,855,014.42 and 74,245,537.56
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Solution
The fourth proportional to 136,125,199.20, 187,855,014.42 and 74,245,537.56 is: 102,460,063.32
Step by Step Solution
- Step 1: Write the proportion equation
136,125,199.20 : 187,855,014.42 = 74,245,537.56 : x - Step 2: Convert to fraction form
136,125,199.20/187,855,014.42 = 74,245,537.56/x - Step 3: Cross multiply
136,125,199.20x = 187,855,014.42 × 74,245,537.56 - Step 4: Simplify right side
136,125,199.20x = 13,947,396,528,954,452 - Step 5: Solve for x
x = 13,947,396,528,954,452/136,125,199.20 - Step 6: Final answer
x = 102,460,063.32
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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.