Finding the Fourth Proportional to 128,699,718.96, 192,940,736 and 55,861,754.16
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Solution
The fourth proportional to 128,699,718.96, 192,940,736 and 55,861,754.16 is: 83,745,388.48
Step by Step Solution
- Step 1: Write the proportion equation
128,699,718.96 : 192,940,736 = 55,861,754.16 : x - Step 2: Convert to fraction form
128,699,718.96/192,940,736 = 55,861,754.16/x - Step 3: Cross multiply
128,699,718.96x = 192,940,736 × 55,861,754.16 - Step 4: Simplify right side
128,699,718.96x = 10,778,007,961,881,462 - Step 5: Solve for x
x = 10,778,007,961,881,462/128,699,718.96 - Step 6: Final answer
x = 83,745,388.48
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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.