Finding the Fourth Proportional to 199,589,614.40, 299,384,421.60 and 97,419,195.20
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Solution
The fourth proportional to 199,589,614.40, 299,384,421.60 and 97,419,195.20 is: 146,128,792.80
Step by Step Solution
- Step 1: Write the proportion equation
199,589,614.40 : 299,384,421.60 = 97,419,195.20 : x - Step 2: Convert to fraction form
199,589,614.40/299,384,421.60 = 97,419,195.20/x - Step 3: Cross multiply
199,589,614.40x = 299,384,421.60 × 97,419,195.20 - Step 4: Simplify right side
199,589,614.40x = 29,165,789,407,689,500 - Step 5: Solve for x
x = 29,165,789,407,689,500/199,589,614.40 - Step 6: Final answer
x = 146,128,792.80
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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.