Finding the Fourth Proportional to 75,631,455.99, 104,371,644.85 and 43,847,820.52
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Solution
The fourth proportional to 75,631,455.99, 104,371,644.85 and 43,847,820.52 is: 60,510,128.91
Step by Step Solution
- Step 1: Write the proportion equation
75,631,455.99 : 104,371,644.85 = 43,847,820.52 : x - Step 2: Convert to fraction form
75,631,455.99/104,371,644.85 = 43,847,820.52/x - Step 3: Cross multiply
75,631,455.99x = 104,371,644.85 × 43,847,820.52 - Step 4: Simplify right side
75,631,455.99x = 4,576,469,151,034,551 - Step 5: Solve for x
x = 4,576,469,151,034,551/75,631,455.99 - Step 6: Final answer
x = 60,510,128.91
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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.