Finding the Fourth Proportional to 66,492,562.40, 99,813,493.20 and 51,413,343.20
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Solution
The fourth proportional to 66,492,562.40, 99,813,493.20 and 51,413,343.20 is: 77,177,735.32
Step by Step Solution
- Step 1: Write the proportion equation
66,492,562.40 : 99,813,493.20 = 51,413,343.20 : x - Step 2: Convert to fraction form
66,492,562.40/99,813,493.20 = 51,413,343.20/x - Step 3: Cross multiply
66,492,562.40x = 99,813,493.20 × 51,413,343.20 - Step 4: Simplify right side
66,492,562.40x = 5,131,745,381,882,467 - Step 5: Solve for x
x = 5,131,745,381,882,467/66,492,562.40 - Step 6: Final answer
x = 77,177,735.32
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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.