Finding the Fourth Proportional to 56,544,964.20, 84,817,446.30 and 20,194,399.80
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Solution
The fourth proportional to 56,544,964.20, 84,817,446.30 and 20,194,399.80 is: 30,291,599.70
Step by Step Solution
- Step 1: Write the proportion equation
56,544,964.20 : 84,817,446.30 = 20,194,399.80 : x - Step 2: Convert to fraction form
56,544,964.20/84,817,446.30 = 20,194,399.80/x - Step 3: Cross multiply
56,544,964.20x = 84,817,446.30 × 20,194,399.80 - Step 4: Simplify right side
56,544,964.20x = 1,712,837,420,597,230.75 - Step 5: Solve for x
x = 1,712,837,420,597,230.75/56,544,964.20 - Step 6: Final answer
x = 30,291,599.70
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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.