Finding the Fourth Proportional to 281,979,102.41, 422,796,191.63 and 134,471,777.95
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Solution
The fourth proportional to 281,979,102.41, 422,796,191.63 and 134,471,777.95 is: 201,625,422.28
Step by Step Solution
- Step 1: Write the proportion equation
281,979,102.41 : 422,796,191.63 = 134,471,777.95 : x - Step 2: Convert to fraction form
281,979,102.41/422,796,191.63 = 134,471,777.95/x - Step 3: Cross multiply
281,979,102.41x = 422,796,191.63 × 134,471,777.95 - Step 4: Simplify right side
281,979,102.41x = 56,854,155,596,861,024 - Step 5: Solve for x
x = 56,854,155,596,861,024/281,979,102.41 - Step 6: Final answer
x = 201,625,422.28
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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.