Finding the Fourth Proportional to 87,529,325.06, 131,176,628.30 and 68,121,985.88
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Solution
The fourth proportional to 87,529,325.06, 131,176,628.30 and 68,121,985.88 is: 102,091,640.88
Step by Step Solution
- Step 1: Write the proportion equation
87,529,325.06 : 131,176,628.30 = 68,121,985.88 : x - Step 2: Convert to fraction form
87,529,325.06/131,176,628.30 = 68,121,985.88/x - Step 3: Cross multiply
87,529,325.06x = 131,176,628.30 × 68,121,985.88 - Step 4: Simplify right side
87,529,325.06x = 8,936,012,420,838,608 - Step 5: Solve for x
x = 8,936,012,420,838,608/87,529,325.06 - Step 6: Final answer
x = 102,091,640.88
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.