Finding the Fourth Proportional to 136,772,776.44, 188,746,472.16 and 74,048,861.94
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Solution
The fourth proportional to 136,772,776.44, 188,746,472.16 and 74,048,861.94 is: 102,187,451.50
Step by Step Solution
- Step 1: Write the proportion equation
136,772,776.44 : 188,746,472.16 = 74,048,861.94 : x - Step 2: Convert to fraction form
136,772,776.44/188,746,472.16 = 74,048,861.94/x - Step 3: Cross multiply
136,772,776.44x = 188,746,472.16 × 74,048,861.94 - Step 4: Simplify right side
136,772,776.44x = 13,976,461,458,637,892 - Step 5: Solve for x
x = 13,976,461,458,637,892/136,772,776.44 - Step 6: Final answer
x = 102,187,451.50
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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.