Finding the Fourth Proportional to 88,575,901.80, 132,863,852.70 and 27,991,627.80
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Solution
The fourth proportional to 88,575,901.80, 132,863,852.70 and 27,991,627.80 is: 41,987,441.70
Step by Step Solution
- Step 1: Write the proportion equation
88,575,901.80 : 132,863,852.70 = 27,991,627.80 : x - Step 2: Convert to fraction form
88,575,901.80/132,863,852.70 = 27,991,627.80/x - Step 3: Cross multiply
88,575,901.80x = 132,863,852.70 × 27,991,627.80 - Step 4: Simplify right side
88,575,901.80x = 3,719,075,512,852,425 - Step 5: Solve for x
x = 3,719,075,512,852,425/88,575,901.80 - Step 6: Final answer
x = 41,987,441.70
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1.5x scale
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.