Finding the Fourth Proportional to 75,328,672.40, 113,007,754.20 and 32,197,792.40
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Solution
The fourth proportional to 75,328,672.40, 113,007,754.20 and 32,197,792.40 is: 48,302,991.32
Step by Step Solution
- Step 1: Write the proportion equation
75,328,672.40 : 113,007,754.20 = 32,197,792.40 : x - Step 2: Convert to fraction form
75,328,672.40/113,007,754.20 = 32,197,792.40/x - Step 3: Cross multiply
75,328,672.40x = 113,007,754.20 × 32,197,792.40 - Step 4: Simplify right side
75,328,672.40x = 3,638,600,209,321,828 - Step 5: Solve for x
x = 3,638,600,209,321,828/75,328,672.40 - Step 6: Final answer
x = 48,302,991.32
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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.