Finding the Fourth Proportional to 216,086,744.68, 324,108,303.21 and 146,503,752.53
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Solution
The fourth proportional to 216,086,744.68, 324,108,303.21 and 146,503,752.53 is: 219,740,839.34
Step by Step Solution
- Step 1: Write the proportion equation
216,086,744.68 : 324,108,303.21 = 146,503,752.53 : x - Step 2: Convert to fraction form
216,086,744.68/324,108,303.21 = 146,503,752.53/x - Step 3: Cross multiply
216,086,744.68x = 324,108,303.21 × 146,503,752.53 - Step 4: Simplify right side
216,086,744.68x = 47,483,082,644,775,504 - Step 5: Solve for x
x = 47,483,082,644,775,504/216,086,744.68 - Step 6: Final answer
x = 219,740,839.34
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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.