Finding the Fourth Proportional to 96,990,432.28, 145,528,266.12 and 50,921,596.60
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Solution
The fourth proportional to 96,990,432.28, 145,528,266.12 and 50,921,596.60 is: 76,404,769.90
Step by Step Solution
- Step 1: Write the proportion equation
96,990,432.28 : 145,528,266.12 = 50,921,596.60 : x - Step 2: Convert to fraction form
96,990,432.28/145,528,266.12 = 50,921,596.60/x - Step 3: Cross multiply
96,990,432.28x = 145,528,266.12 × 50,921,596.60 - Step 4: Simplify right side
96,990,432.28x = 7,410,531,661,260,088 - Step 5: Solve for x
x = 7,410,531,661,260,088/96,990,432.28 - Step 6: Final answer
x = 76,404,769.90
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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.