Finding the Fourth Proportional to 64,163,500.20, 96,245,250.30 and 46,944,811.80
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Solution
The fourth proportional to 64,163,500.20, 96,245,250.30 and 46,944,811.80 is: 70,417,217.70
Step by Step Solution
- Step 1: Write the proportion equation
64,163,500.20 : 96,245,250.30 = 46,944,811.80 : x - Step 2: Convert to fraction form
64,163,500.20/96,245,250.30 = 46,944,811.80/x - Step 3: Cross multiply
64,163,500.20x = 96,245,250.30 × 46,944,811.80 - Step 4: Simplify right side
64,163,500.20x = 4,518,215,161,977,393 - Step 5: Solve for x
x = 4,518,215,161,977,393/64,163,500.20 - Step 6: Final answer
x = 70,417,217.70
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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.