Finding the Fourth Proportional to 211,575,775.01, 317,218,778.62 and 107,743,991.54
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Solution
The fourth proportional to 211,575,775.01, 317,218,778.62 and 107,743,991.54 is: 161,542,205.85
Step by Step Solution
- Step 1: Write the proportion equation
211,575,775.01 : 317,218,778.62 = 107,743,991.54 : x - Step 2: Convert to fraction form
211,575,775.01/317,218,778.62 = 107,743,991.54/x - Step 3: Cross multiply
211,575,775.01x = 317,218,778.62 × 107,743,991.54 - Step 4: Simplify right side
211,575,775.01x = 34,178,417,398,106,960 - Step 5: Solve for x
x = 34,178,417,398,106,960/211,575,775.01 - Step 6: Final answer
x = 161,542,205.85
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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.