Finding the Fourth Proportional to 88,575,965.80, 132,863,948.70 and 27,991,691.80
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Solution
The fourth proportional to 88,575,965.80, 132,863,948.70 and 27,991,691.80 is: 41,987,537.70
Step by Step Solution
- Step 1: Write the proportion equation
88,575,965.80 : 132,863,948.70 = 27,991,691.80 : x - Step 2: Convert to fraction form
88,575,965.80/132,863,948.70 = 27,991,691.80/x - Step 3: Cross multiply
88,575,965.80x = 132,863,948.70 × 27,991,691.80 - Step 4: Simplify right side
88,575,965.80x = 3,719,086,703,341,411 - Step 5: Solve for x
x = 3,719,086,703,341,411/88,575,965.80 - Step 6: Final answer
x = 41,987,537.70
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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.