Finding the Fourth Proportional to 213,364,908.93, 294,490,942.29 and 129,715,265.07
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Solution
The fourth proportional to 213,364,908.93, 294,490,942.29 and 129,715,265.07 is: 179,035,863.17
Step by Step Solution
- Step 1: Write the proportion equation
213,364,908.93 : 294,490,942.29 = 129,715,265.07 : x - Step 2: Convert to fraction form
213,364,908.93/294,490,942.29 = 129,715,265.07/x - Step 3: Cross multiply
213,364,908.93x = 294,490,942.29 × 129,715,265.07 - Step 4: Simplify right side
213,364,908.93x = 38,199,970,639,861,424 - Step 5: Solve for x
x = 38,199,970,639,861,424/213,364,908.93 - Step 6: Final answer
x = 179,035,863.17
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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.