Finding the Fourth Proportional to 131,232,207.30, 196,848,310.95 and 110,187,143.70
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Solution
The fourth proportional to 131,232,207.30, 196,848,310.95 and 110,187,143.70 is: 165,280,715.55
Step by Step Solution
- Step 1: Write the proportion equation
131,232,207.30 : 196,848,310.95 = 110,187,143.70 : x - Step 2: Convert to fraction form
131,232,207.30/196,848,310.95 = 110,187,143.70/x - Step 3: Cross multiply
131,232,207.30x = 196,848,310.95 × 110,187,143.70 - Step 4: Simplify right side
131,232,207.30x = 21,690,153,125,749,932 - Step 5: Solve for x
x = 21,690,153,125,749,932/131,232,207.30 - Step 6: Final answer
x = 165,280,715.55
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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.