Finding the Fourth Proportional to 239,167,344.65, 330,050,939.76 and 129,159,057.65
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Solution
The fourth proportional to 239,167,344.65, 330,050,939.76 and 129,159,057.65 is: 178,239,501.79
Step by Step Solution
- Step 1: Write the proportion equation
239,167,344.65 : 330,050,939.76 = 129,159,057.65 : x - Step 2: Convert to fraction form
239,167,344.65/330,050,939.76 = 129,159,057.65/x - Step 3: Cross multiply
239,167,344.65x = 330,050,939.76 × 129,159,057.65 - Step 4: Simplify right side
239,167,344.65x = 42,629,068,354,248,256 - Step 5: Solve for x
x = 42,629,068,354,248,256/239,167,344.65 - Step 6: Final answer
x = 178,239,501.79
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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.