Finding the Fourth Proportional to 259,063,423.50, 388,769,983.69 and 101,476,891.18
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Solution
The fourth proportional to 259,063,423.50, 388,769,983.69 and 101,476,891.18 is: 152,283,826.09
Step by Step Solution
- Step 1: Write the proportion equation
259,063,423.50 : 388,769,983.69 = 101,476,891.18 : x - Step 2: Convert to fraction form
259,063,423.50/388,769,983.69 = 101,476,891.18/x - Step 3: Cross multiply
259,063,423.50x = 388,769,983.69 × 101,476,891.18 - Step 4: Simplify right side
259,063,423.50x = 39,451,169,329,796,744 - Step 5: Solve for x
x = 39,451,169,329,796,744/259,063,423.50 - Step 6: Final answer
x = 152,283,826.09
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.