Finding the Fourth Proportional to 176,273,187.10, 264,451,771.05 and 85,321,980.70
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Solution
The fourth proportional to 176,273,187.10, 264,451,771.05 and 85,321,980.70 is: 128,003,295.78
Step by Step Solution
- Step 1: Write the proportion equation
176,273,187.10 : 264,451,771.05 = 85,321,980.70 : x - Step 2: Convert to fraction form
176,273,187.10/264,451,771.05 = 85,321,980.70/x - Step 3: Cross multiply
176,273,187.10x = 264,451,771.05 × 85,321,980.70 - Step 4: Simplify right side
176,273,187.10x = 22,563,548,905,608,920 - Step 5: Solve for x
x = 22,563,548,905,608,920/176,273,187.10 - Step 6: Final answer
x = 128,003,295.78
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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.