Finding the Fourth Proportional to 213,014,121.20, 319,564,594.92 and 96,373,451.60
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Solution
The fourth proportional to 213,014,121.20, 319,564,594.92 and 96,373,451.60 is: 144,579,818.69
Step by Step Solution
- Step 1: Write the proportion equation
213,014,121.20 : 319,564,594.92 = 96,373,451.60 : x - Step 2: Convert to fraction form
213,014,121.20/319,564,594.92 = 96,373,451.60/x - Step 3: Cross multiply
213,014,121.20x = 319,564,594.92 × 96,373,451.60 - Step 4: Simplify right side
213,014,121.20x = 30,797,543,021,596,224 - Step 5: Solve for x
x = 30,797,543,021,596,224/213,014,121.20 - Step 6: Final answer
x = 144,579,818.69
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.