Finding the Fourth Proportional to 143,229,764.97, 214,416,422.06 and 87,722,826.12
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Solution
The fourth proportional to 143,229,764.97, 214,416,422.06 and 87,722,826.12 is: 131,321,967.28
Step by Step Solution
- Step 1: Write the proportion equation
143,229,764.97 : 214,416,422.06 = 87,722,826.12 : x - Step 2: Convert to fraction form
143,229,764.97/214,416,422.06 = 87,722,826.12/x - Step 3: Cross multiply
143,229,764.97x = 214,416,422.06 × 87,722,826.12 - Step 4: Simplify right side
143,229,764.97x = 18,809,214,509,203,300 - Step 5: Solve for x
x = 18,809,214,509,203,300/143,229,764.97 - Step 6: Final answer
x = 131,321,967.28
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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.