Finding the Fourth Proportional to 80,088,371.16, 120,132,555.12 and 36,944,809.80
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Solution
The fourth proportional to 80,088,371.16, 120,132,555.12 and 36,944,809.80 is: 55,417,213.95
Step by Step Solution
- Step 1: Write the proportion equation
80,088,371.16 : 120,132,555.12 = 36,944,809.80 : x - Step 2: Convert to fraction form
80,088,371.16/120,132,555.12 = 36,944,809.80/x - Step 3: Cross multiply
80,088,371.16x = 120,132,555.12 × 36,944,809.80 - Step 4: Simplify right side
80,088,371.16x = 4,438,274,399,696,416 - Step 5: Solve for x
x = 4,438,274,399,696,416/80,088,371.16 - Step 6: Final answer
x = 55,417,213.95
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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.