Finding the Fourth Proportional to 131,495,540.70, 197,243,311.05 and 54,873,558.30
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Solution
The fourth proportional to 131,495,540.70, 197,243,311.05 and 54,873,558.30 is: 82,310,337.45
Step by Step Solution
- Step 1: Write the proportion equation
131,495,540.70 : 197,243,311.05 = 54,873,558.30 : x - Step 2: Convert to fraction form
131,495,540.70/197,243,311.05 = 54,873,558.30/x - Step 3: Cross multiply
131,495,540.70x = 197,243,311.05 × 54,873,558.30 - Step 4: Simplify right side
131,495,540.70x = 10,823,442,328,187,210 - Step 5: Solve for x
x = 10,823,442,328,187,210/131,495,540.70 - Step 6: Final answer
x = 82,310,337.45
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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.