Finding the Fourth Proportional to 133,121,157.84, 199,672,266.24 and 40,995,289.44
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Solution
The fourth proportional to 133,121,157.84, 199,672,266.24 and 40,995,289.44 is: 61,490,017.67
Step by Step Solution
- Step 1: Write the proportion equation
133,121,157.84 : 199,672,266.24 = 40,995,289.44 : x - Step 2: Convert to fraction form
133,121,157.84/199,672,266.24 = 40,995,289.44/x - Step 3: Cross multiply
133,121,157.84x = 199,672,266.24 × 40,995,289.44 - Step 4: Simplify right side
133,121,157.84x = 8,185,622,347,649,540 - Step 5: Solve for x
x = 8,185,622,347,649,540/133,121,157.84 - Step 6: Final answer
x = 61,490,017.67
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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.