Finding the Fourth Proportional to 68,538,404.80, 102,975,568.80 and 51,532,292.80
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Solution
The fourth proportional to 68,538,404.80, 102,975,568.80 and 51,532,292.80 is: 77,424,725.28
Step by Step Solution
- Step 1: Write the proportion equation
68,538,404.80 : 102,975,568.80 = 51,532,292.80 : x - Step 2: Convert to fraction form
68,538,404.80/102,975,568.80 = 51,532,292.80/x - Step 3: Cross multiply
68,538,404.80x = 102,975,568.80 × 51,532,292.80 - Step 4: Simplify right side
68,538,404.80x = 5,306,567,162,648,144 - Step 5: Solve for x
x = 5,306,567,162,648,144/68,538,404.80 - Step 6: Final answer
x = 77,424,725.28
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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.