Finding the Fourth Proportional to 99,585,021.44, 149,372,242.56 and 30,497,803.52
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Solution
The fourth proportional to 99,585,021.44, 149,372,242.56 and 30,497,803.52 is: 45,745,085.35
Step by Step Solution
- Step 1: Write the proportion equation
99,585,021.44 : 149,372,242.56 = 30,497,803.52 : x - Step 2: Convert to fraction form
99,585,021.44/149,372,242.56 = 30,497,803.52/x - Step 3: Cross multiply
99,585,021.44x = 149,372,242.56 × 30,497,803.52 - Step 4: Simplify right side
99,585,021.44x = 4,555,525,304,936,662 - Step 5: Solve for x
x = 4,555,525,304,936,662/99,585,021.44 - Step 6: Final answer
x = 45,745,085.35
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.