Finding the Fourth Proportional to 88,576,031.80, 132,864,047.70 and 27,991,757.80
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Solution
The fourth proportional to 88,576,031.80, 132,864,047.70 and 27,991,757.80 is: 41,987,636.70
Step by Step Solution
- Step 1: Write the proportion equation
88,576,031.80 : 132,864,047.70 = 27,991,757.80 : x - Step 2: Convert to fraction form
88,576,031.80/132,864,047.70 = 27,991,757.80/x - Step 3: Cross multiply
88,576,031.80x = 132,864,047.70 × 27,991,757.80 - Step 4: Simplify right side
88,576,031.80x = 3,719,098,243,546,047 - Step 5: Solve for x
x = 3,719,098,243,546,047/88,576,031.80 - Step 6: Final answer
x = 41,987,636.70
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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.