Finding the Fourth Proportional to 51,411,189.65, 70,947,441.69 and 29,385,161.99
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Solution
The fourth proportional to 51,411,189.65, 70,947,441.69 and 29,385,161.99 is: 40,551,523.53
Step by Step Solution
- Step 1: Write the proportion equation
51,411,189.65 : 70,947,441.69 = 29,385,161.99 : x - Step 2: Convert to fraction form
51,411,189.65/70,947,441.69 = 29,385,161.99/x - Step 3: Cross multiply
51,411,189.65x = 70,947,441.69 × 29,385,161.99 - Step 4: Simplify right side
51,411,189.65x = 2,084,802,066,836,729.25 - Step 5: Solve for x
x = 2,084,802,066,836,729.25/51,411,189.65 - Step 6: Final answer
x = 40,551,523.53
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.