Finding the Fourth Proportional to 65,124,361.62, 97,665,801.29 and 21,394,969.65
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Solution
The fourth proportional to 65,124,361.62, 97,665,801.29 and 21,394,969.65 is: 32,085,640.49
Step by Step Solution
- Step 1: Write the proportion equation
65,124,361.62 : 97,665,801.29 = 21,394,969.65 : x - Step 2: Convert to fraction form
65,124,361.62/97,665,801.29 = 21,394,969.65/x - Step 3: Cross multiply
65,124,361.62x = 97,665,801.29 × 21,394,969.65 - Step 4: Simplify right side
65,124,361.62x = 2,089,556,853,954,152 - Step 5: Solve for x
x = 2,089,556,853,954,152/65,124,361.62 - Step 6: Final answer
x = 32,085,640.49
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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.