Finding the Fourth Proportional to 216,515,041.80, 324,772,562.70 and 101,723,785.80
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Solution
The fourth proportional to 216,515,041.80, 324,772,562.70 and 101,723,785.80 is: 152,585,678.70
Step by Step Solution
- Step 1: Write the proportion equation
216,515,041.80 : 324,772,562.70 = 101,723,785.80 : x - Step 2: Convert to fraction form
216,515,041.80/324,772,562.70 = 101,723,785.80/x - Step 3: Cross multiply
216,515,041.80x = 324,772,562.70 × 101,723,785.80 - Step 4: Simplify right side
216,515,041.80x = 33,037,094,601,811,868 - Step 5: Solve for x
x = 33,037,094,601,811,868/216,515,041.80 - Step 6: Final answer
x = 152,585,678.70
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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.