Finding the Fourth Proportional to 122,735,575.70, 169,378,685.31 and 66,984,571.92
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Solution
The fourth proportional to 122,735,575.70, 169,378,685.31 and 66,984,571.92 is: 92,440,669.00
Step by Step Solution
- Step 1: Write the proportion equation
122,735,575.70 : 169,378,685.31 = 66,984,571.92 : x - Step 2: Convert to fraction form
122,735,575.70/169,378,685.31 = 66,984,571.92/x - Step 3: Cross multiply
122,735,575.70x = 169,378,685.31 × 66,984,571.92 - Step 4: Simplify right side
122,735,575.70x = 11,345,758,727,862,742 - Step 5: Solve for x
x = 11,345,758,727,862,742/122,735,575.70 - Step 6: Final answer
x = 92,440,669.00
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.