Finding the Fourth Proportional to 80,809,248.08, 121,213,872.12 and 29,669,139.92
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Solution
The fourth proportional to 80,809,248.08, 121,213,872.12 and 29,669,139.92 is: 44,503,709.88
Step by Step Solution
- Step 1: Write the proportion equation
80,809,248.08 : 121,213,872.12 = 29,669,139.92 : x - Step 2: Convert to fraction form
80,809,248.08/121,213,872.12 = 29,669,139.92/x - Step 3: Cross multiply
80,809,248.08x = 121,213,872.12 × 29,669,139.92 - Step 4: Simplify right side
80,809,248.08x = 3,596,311,332,173,267.50 - Step 5: Solve for x
x = 3,596,311,332,173,267.50/80,809,248.08 - Step 6: Final answer
x = 44,503,709.88
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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.