Finding the Fourth Proportional to 195,524,829.20, 293,455,205.40 and 86,517,750.80
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Solution
The fourth proportional to 195,524,829.20, 293,455,205.40 and 86,517,750.80 is: 129,850,947.50
Step by Step Solution
- Step 1: Write the proportion equation
195,524,829.20 : 293,455,205.40 = 86,517,750.80 : x - Step 2: Convert to fraction form
195,524,829.20/293,455,205.40 = 86,517,750.80/x - Step 3: Cross multiply
195,524,829.20x = 293,455,205.40 × 86,517,750.80 - Step 4: Simplify right side
195,524,829.20x = 25,389,084,331,760,012 - Step 5: Solve for x
x = 25,389,084,331,760,012/195,524,829.20 - Step 6: Final answer
x = 129,850,947.50
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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.