Finding the Fourth Proportional to 215,540,305.92, 323,514,861.12 and 133,410,749.76
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Solution
The fourth proportional to 215,540,305.92, 323,514,861.12 and 133,410,749.76 is: 200,242,641.38
Step by Step Solution
- Step 1: Write the proportion equation
215,540,305.92 : 323,514,861.12 = 133,410,749.76 : x - Step 2: Convert to fraction form
215,540,305.92/323,514,861.12 = 133,410,749.76/x - Step 3: Cross multiply
215,540,305.92x = 323,514,861.12 × 133,410,749.76 - Step 4: Simplify right side
215,540,305.92x = 43,160,360,180,521,472 - Step 5: Solve for x
x = 43,160,360,180,521,472/215,540,305.92 - Step 6: Final answer
x = 200,242,641.38
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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.