Finding the Fourth Proportional to 131,544,949.41, 197,227,740.91 and 66,723,761.43
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Solution
The fourth proportional to 131,544,949.41, 197,227,740.91 and 66,723,761.43 is: 100,040,151.99
Step by Step Solution
- Step 1: Write the proportion equation
131,544,949.41 : 197,227,740.91 = 66,723,761.43 : x - Step 2: Convert to fraction form
131,544,949.41/197,227,740.91 = 66,723,761.43/x - Step 3: Cross multiply
131,544,949.41x = 197,227,740.91 × 66,723,761.43 - Step 4: Simplify right side
131,544,949.41x = 13,159,776,731,856,690 - Step 5: Solve for x
x = 13,159,776,731,856,690/131,544,949.41 - Step 6: Final answer
x = 100,040,151.99
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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.