Finding the Fourth Proportional to 249,420,912.36, 344,208,107.88 and 136,397,048.29
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Solution
The fourth proportional to 249,420,912.36, 344,208,107.88 and 136,397,048.29 is: 188,231,890.69
Step by Step Solution
- Step 1: Write the proportion equation
249,420,912.36 : 344,208,107.88 = 136,397,048.29 : x - Step 2: Convert to fraction form
249,420,912.36/344,208,107.88 = 136,397,048.29/x - Step 3: Cross multiply
249,420,912.36x = 344,208,107.88 × 136,397,048.29 - Step 4: Simplify right side
249,420,912.36x = 46,948,969,911,365,736 - Step 5: Solve for x
x = 46,948,969,911,365,736/249,420,912.36 - Step 6: Final answer
x = 188,231,890.69
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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.