Finding the Fourth Proportional to 64,960,544.28, 89,642,124 and 37,082,146.80
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Solution
The fourth proportional to 64,960,544.28, 89,642,124 and 37,082,146.80 is: 51,171,406.25
Step by Step Solution
- Step 1: Write the proportion equation
64,960,544.28 : 89,642,124 = 37,082,146.80 : x - Step 2: Convert to fraction form
64,960,544.28/89,642,124 = 37,082,146.80/x - Step 3: Cross multiply
64,960,544.28x = 89,642,124 × 37,082,146.80 - Step 4: Simplify right side
64,960,544.28x = 3,324,122,401,631,803 - Step 5: Solve for x
x = 3,324,122,401,631,803/64,960,544.28 - Step 6: Final answer
x = 51,171,406.25
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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.