Finding the Fourth Proportional to 177,148,000.20, 265,722,000.30 and 131,231,497.80
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Solution
The fourth proportional to 177,148,000.20, 265,722,000.30 and 131,231,497.80 is: 196,847,246.70
Step by Step Solution
- Step 1: Write the proportion equation
177,148,000.20 : 265,722,000.30 = 131,231,497.80 : x - Step 2: Convert to fraction form
177,148,000.20/265,722,000.30 = 131,231,497.80/x - Step 3: Cross multiply
177,148,000.20x = 265,722,000.30 × 131,231,497.80 - Step 4: Simplify right side
177,148,000.20x = 34,871,096,097,781,052 - Step 5: Solve for x
x = 34,871,096,097,781,052/177,148,000.20 - Step 6: Final answer
x = 196,847,246.70
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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.