Finding the Fourth Proportional to 199,588,968.80, 299,383,453.20 and 113,294,031.20
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Solution
The fourth proportional to 199,588,968.80, 299,383,453.20 and 113,294,031.20 is: 169,941,046.80
Step by Step Solution
- Step 1: Write the proportion equation
199,588,968.80 : 299,383,453.20 = 113,294,031.20 : x - Step 2: Convert to fraction form
199,588,968.80/299,383,453.20 = 113,294,031.20/x - Step 3: Cross multiply
199,588,968.80x = 299,383,453.20 × 113,294,031.20 - Step 4: Simplify right side
199,588,968.80x = 33,918,358,287,604,540 - Step 5: Solve for x
x = 33,918,358,287,604,540/199,588,968.80 - Step 6: Final answer
x = 169,941,046.80
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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.