Finding the Fourth Proportional to 134,136,446.90, 201,204,670.35 and 90,770,861.30
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Solution
The fourth proportional to 134,136,446.90, 201,204,670.35 and 90,770,861.30 is: 136,156,291.95
Step by Step Solution
- Step 1: Write the proportion equation
134,136,446.90 : 201,204,670.35 = 90,770,861.30 : x - Step 2: Convert to fraction form
134,136,446.90/201,204,670.35 = 90,770,861.30/x - Step 3: Cross multiply
134,136,446.90x = 201,204,670.35 × 90,770,861.30 - Step 4: Simplify right side
134,136,446.90x = 18,263,521,225,252,072 - Step 5: Solve for x
x = 18,263,521,225,252,072/134,136,446.90 - Step 6: Final answer
x = 136,156,291.95
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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.