Finding the Fourth Proportional to 77,906,204.80, 107,491,247.04 and 50,371,000
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Solution
The fourth proportional to 77,906,204.80, 107,491,247.04 and 50,371,000 is: 69,499,491.32
Step by Step Solution
- Step 1: Write the proportion equation
77,906,204.80 : 107,491,247.04 = 50,371,000 : x - Step 2: Convert to fraction form
77,906,204.80/107,491,247.04 = 50,371,000/x - Step 3: Cross multiply
77,906,204.80x = 107,491,247.04 × 50,371,000 - Step 4: Simplify right side
77,906,204.80x = 5,414,441,604,651,840 - Step 5: Solve for x
x = 5,414,441,604,651,840/77,906,204.80 - Step 6: Final answer
x = 69,499,491.32
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1.5x scale
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.