Finding the Fourth Proportional to 87,529,323.06, 131,176,625.31 and 68,121,983.88
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Solution
The fourth proportional to 87,529,323.06, 131,176,625.31 and 68,121,983.88 is: 102,091,637.89
Step by Step Solution
- Step 1: Write the proportion equation
87,529,323.06 : 131,176,625.31 = 68,121,983.88 : x - Step 2: Convert to fraction form
87,529,323.06/131,176,625.31 = 68,121,983.88/x - Step 3: Cross multiply
87,529,323.06x = 131,176,625.31 × 68,121,983.88 - Step 4: Simplify right side
87,529,323.06x = 8,936,011,954,800,620 - Step 5: Solve for x
x = 8,936,011,954,800,620/87,529,323.06 - Step 6: Final answer
x = 102,091,637.89
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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.