Finding the Fourth Proportional to 269,893,020.34, 404,988,915.23 and 131,719,771.99
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Solution
The fourth proportional to 269,893,020.34, 404,988,915.23 and 131,719,771.99 is: 197,652,564.35
Step by Step Solution
- Step 1: Write the proportion equation
269,893,020.34 : 404,988,915.23 = 131,719,771.99 : x - Step 2: Convert to fraction form
269,893,020.34/404,988,915.23 = 131,719,771.99/x - Step 3: Cross multiply
269,893,020.34x = 404,988,915.23 × 131,719,771.99 - Step 4: Simplify right side
269,893,020.34x = 53,345,047,571,376,120 - Step 5: Solve for x
x = 53,345,047,571,376,120/269,893,020.34 - Step 6: Final answer
x = 197,652,564.35
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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.