Finding the Fourth Proportional to 149,771,231.40, 224,656,847.10 and 132,751,122.60
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Solution
The fourth proportional to 149,771,231.40, 224,656,847.10 and 132,751,122.60 is: 199,126,683.90
Step by Step Solution
- Step 1: Write the proportion equation
149,771,231.40 : 224,656,847.10 = 132,751,122.60 : x - Step 2: Convert to fraction form
149,771,231.40/224,656,847.10 = 132,751,122.60/x - Step 3: Cross multiply
149,771,231.40x = 224,656,847.10 × 132,751,122.60 - Step 4: Simplify right side
149,771,231.40x = 29,823,448,652,301,552 - Step 5: Solve for x
x = 29,823,448,652,301,552/149,771,231.40 - Step 6: Final answer
x = 199,126,683.90
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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.