Finding the Fourth Proportional to 131,246,645.70, 196,869,968.55 and 131,246,645.70
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Solution
The fourth proportional to 131,246,645.70, 196,869,968.55 and 131,246,645.70 is: 196,869,968.55
Step by Step Solution
- Step 1: Write the proportion equation
131,246,645.70 : 196,869,968.55 = 131,246,645.70 : x - Step 2: Convert to fraction form
131,246,645.70/196,869,968.55 = 131,246,645.70/x - Step 3: Cross multiply
131,246,645.70x = 196,869,968.55 × 131,246,645.70 - Step 4: Simplify right side
131,246,645.70x = 25,838,523,011,251,996 - Step 5: Solve for x
x = 25,838,523,011,251,996/131,246,645.70 - Step 6: Final answer
x = 196,869,968.55
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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.