Finding the Fourth Proportional to 87,663,749.30, 131,495,623.96 and 36,582,427.70
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Solution
The fourth proportional to 87,663,749.30, 131,495,623.96 and 36,582,427.70 is: 54,873,641.55
Step by Step Solution
- Step 1: Write the proportion equation
87,663,749.30 : 131,495,623.96 = 36,582,427.70 : x - Step 2: Convert to fraction form
87,663,749.30/131,495,623.96 = 36,582,427.70/x - Step 3: Cross multiply
87,663,749.30x = 131,495,623.96 × 36,582,427.70 - Step 4: Simplify right side
87,663,749.30x = 4,810,429,156,383,088 - Step 5: Solve for x
x = 4,810,429,156,383,088/87,663,749.30 - Step 6: Final answer
x = 54,873,641.55
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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.