Finding the Fourth Proportional to 52,576,943.36, 78,794,919.70 and 40,919,391.49
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Solution
The fourth proportional to 52,576,943.36, 78,794,919.70 and 40,919,391.49 is: 61,324,222.38
Step by Step Solution
- Step 1: Write the proportion equation
52,576,943.36 : 78,794,919.70 = 40,919,391.49 : x - Step 2: Convert to fraction form
52,576,943.36/78,794,919.70 = 40,919,391.49/x - Step 3: Cross multiply
52,576,943.36x = 78,794,919.70 × 40,919,391.49 - Step 4: Simplify right side
52,576,943.36x = 3,224,240,166,623,609 - Step 5: Solve for x
x = 3,224,240,166,623,609/52,576,943.36 - Step 6: Final answer
x = 61,324,222.38
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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.