Finding the Fourth Proportional to 71,358,497.20, 100,103,450 and 71,358,497.20
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Solution
The fourth proportional to 71,358,497.20, 100,103,450 and 71,358,497.20 is: 100,103,450
Step by Step Solution
- Step 1: Write the proportion equation
71,358,497.20 : 100,103,450 = 71,358,497.20 : x - Step 2: Convert to fraction form
71,358,497.20/100,103,450 = 71,358,497.20/x - Step 3: Cross multiply
71,358,497.20x = 100,103,450 × 71,358,497.20 - Step 4: Simplify right side
71,358,497.20x = 7,143,231,756,535,340 - Step 5: Solve for x
x = 7,143,231,756,535,340/71,358,497.20 - Step 6: Final answer
x = 100,103,450
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These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.