Finding the Fourth Proportional to 201,447,218.70, 302,170,828.05 and 115,194,344.40
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Solution
The fourth proportional to 201,447,218.70, 302,170,828.05 and 115,194,344.40 is: 172,791,516.60
Step by Step Solution
- Step 1: Write the proportion equation
201,447,218.70 : 302,170,828.05 = 115,194,344.40 : x - Step 2: Convert to fraction form
201,447,218.70/302,170,828.05 = 115,194,344.40/x - Step 3: Cross multiply
201,447,218.70x = 302,170,828.05 × 115,194,344.40 - Step 4: Simplify right side
201,447,218.70x = 34,808,370,434,024,884 - Step 5: Solve for x
x = 34,808,370,434,024,884/201,447,218.70 - Step 6: Final answer
x = 172,791,516.60
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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.