Finding the Fourth Proportional to 278,480,213.29, 384,218,888.92 and 166,930,352.95
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Solution
The fourth proportional to 278,480,213.29, 384,218,888.92 and 166,930,352.95 is: 230,313,651.31
Step by Step Solution
- Step 1: Write the proportion equation
278,480,213.29 : 384,218,888.92 = 166,930,352.95 : x - Step 2: Convert to fraction form
278,480,213.29/384,218,888.92 = 166,930,352.95/x - Step 3: Cross multiply
278,480,213.29x = 384,218,888.92 × 166,930,352.95 - Step 4: Simplify right side
278,480,213.29x = 64,137,794,738,836,376 - Step 5: Solve for x
x = 64,137,794,738,836,376/278,480,213.29 - Step 6: Final answer
x = 230,313,651.31
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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.