Finding the Fourth Proportional to 104,916,395.75, 144,784,765.59 and 57,872,408.02
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Solution
The fourth proportional to 104,916,395.75, 144,784,765.59 and 57,872,408.02 is: 79,863,999.99
Step by Step Solution
- Step 1: Write the proportion equation
104,916,395.75 : 144,784,765.59 = 57,872,408.02 : x - Step 2: Convert to fraction form
104,916,395.75/144,784,765.59 = 57,872,408.02/x - Step 3: Cross multiply
104,916,395.75x = 144,784,765.59 × 57,872,408.02 - Step 4: Simplify right side
104,916,395.75x = 8,379,043,028,942,574 - Step 5: Solve for x
x = 8,379,043,028,942,574/104,916,395.75 - Step 6: Final answer
x = 79,863,999.99
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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.