Finding the Fourth Proportional to 177,107,311.80, 265,660,967.70 and 146,874,223.80
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Solution
The fourth proportional to 177,107,311.80, 265,660,967.70 and 146,874,223.80 is: 220,311,335.70
Step by Step Solution
- Step 1: Write the proportion equation
177,107,311.80 : 265,660,967.70 = 146,874,223.80 : x - Step 2: Convert to fraction form
177,107,311.80/265,660,967.70 = 146,874,223.80/x - Step 3: Cross multiply
177,107,311.80x = 265,660,967.70 × 146,874,223.80 - Step 4: Simplify right side
177,107,311.80x = 39,018,748,424,894,376 - Step 5: Solve for x
x = 39,018,748,424,894,376/177,107,311.80 - Step 6: Final answer
x = 220,311,335.70
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1.5x scale
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.