Finding the Fourth Proportional to 149,471,919.90, 224,207,879.85 and 91,777,110.30
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Solution
The fourth proportional to 149,471,919.90, 224,207,879.85 and 91,777,110.30 is: 137,665,665.45
Step by Step Solution
- Step 1: Write the proportion equation
149,471,919.90 : 224,207,879.85 = 91,777,110.30 : x - Step 2: Convert to fraction form
149,471,919.90/224,207,879.85 = 91,777,110.30/x - Step 3: Cross multiply
149,471,919.90x = 224,207,879.85 × 91,777,110.30 - Step 4: Simplify right side
149,471,919.90x = 20,577,151,319,122,596 - Step 5: Solve for x
x = 20,577,151,319,122,596/149,471,919.90 - Step 6: Final answer
x = 137,665,665.45
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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.