Finding the Fourth Proportional to 159,588,121.20, 239,382,181.80 and 38,419,573.20
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Solution
The fourth proportional to 159,588,121.20, 239,382,181.80 and 38,419,573.20 is: 57,629,359.80
Step by Step Solution
- Step 1: Write the proportion equation
159,588,121.20 : 239,382,181.80 = 38,419,573.20 : x - Step 2: Convert to fraction form
159,588,121.20/239,382,181.80 = 38,419,573.20/x - Step 3: Cross multiply
159,588,121.20x = 239,382,181.80 × 38,419,573.20 - Step 4: Simplify right side
159,588,121.20x = 9,196,961,256,440,808 - Step 5: Solve for x
x = 9,196,961,256,440,808/159,588,121.20 - Step 6: Final answer
x = 57,629,359.80
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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.