Finding the Fourth Proportional to 201,198,987.06, 301,490,446.50 and 135,376,319.67
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Solution
The fourth proportional to 201,198,987.06, 301,490,446.50 and 135,376,319.67 is: 202,857,219.41
Step by Step Solution
- Step 1: Write the proportion equation
201,198,987.06 : 301,490,446.50 = 135,376,319.67 : x - Step 2: Convert to fraction form
201,198,987.06/301,490,446.50 = 135,376,319.67/x - Step 3: Cross multiply
201,198,987.06x = 301,490,446.50 × 135,376,319.67 - Step 4: Simplify right side
201,198,987.06x = 40,814,667,062,835,032 - Step 5: Solve for x
x = 40,814,667,062,835,032/201,198,987.06 - Step 6: Final answer
x = 202,857,219.41
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.