Finding the Fourth Proportional to 198,487,270.35, 297,749,574.42 and 58,427,819.73
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Solution
The fourth proportional to 198,487,270.35, 297,749,574.42 and 58,427,819.73 is: 87,647,225.07
Step by Step Solution
- Step 1: Write the proportion equation
198,487,270.35 : 297,749,574.42 = 58,427,819.73 : x - Step 2: Convert to fraction form
198,487,270.35/297,749,574.42 = 58,427,819.73/x - Step 3: Cross multiply
198,487,270.35x = 297,749,574.42 × 58,427,819.73 - Step 4: Simplify right side
198,487,270.35x = 17,396,858,458,603,840 - Step 5: Solve for x
x = 17,396,858,458,603,840/198,487,270.35 - Step 6: Final answer
x = 87,647,225.07
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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.