Finding the Fourth Proportional to 149,477,764.20, 224,216,646.30 and 135,846,302.55
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Solution
The fourth proportional to 149,477,764.20, 224,216,646.30 and 135,846,302.55 is: 203,769,453.83
Step by Step Solution
- Step 1: Write the proportion equation
149,477,764.20 : 224,216,646.30 = 135,846,302.55 : x - Step 2: Convert to fraction form
149,477,764.20/224,216,646.30 = 135,846,302.55/x - Step 3: Cross multiply
149,477,764.20x = 224,216,646.30 × 135,846,302.55 - Step 4: Simplify right side
149,477,764.20x = 30,459,002,370,016,144 - Step 5: Solve for x
x = 30,459,002,370,016,144/149,477,764.20 - Step 6: Final answer
x = 203,769,453.83
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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.