Finding the Fourth Proportional to 140,963,401.80, 211,445,102.70 and 131,397,463.80
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Solution
The fourth proportional to 140,963,401.80, 211,445,102.70 and 131,397,463.80 is: 197,096,195.70
Step by Step Solution
- Step 1: Write the proportion equation
140,963,401.80 : 211,445,102.70 = 131,397,463.80 : x - Step 2: Convert to fraction form
140,963,401.80/211,445,102.70 = 131,397,463.80/x - Step 3: Cross multiply
140,963,401.80x = 211,445,102.70 × 131,397,463.80 - Step 4: Simplify right side
140,963,401.80x = 27,783,350,227,710,532 - Step 5: Solve for x
x = 27,783,350,227,710,532/140,963,401.80 - Step 6: Final answer
x = 197,096,195.70
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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.