Finding the Fourth Proportional to 266,210,125.49, 399,323,323.11 and 91,330,706.36
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Solution
The fourth proportional to 266,210,125.49, 399,323,323.11 and 91,330,706.36 is: 136,998,850.43
Step by Step Solution
- Step 1: Write the proportion equation
266,210,125.49 : 399,323,323.11 = 91,330,706.36 : x - Step 2: Convert to fraction form
266,210,125.49/399,323,323.11 = 91,330,706.36/x - Step 3: Cross multiply
266,210,125.49x = 399,323,323.11 × 91,330,706.36 - Step 4: Simplify right side
266,210,125.49x = 36,470,481,165,658,816 - Step 5: Solve for x
x = 36,470,481,165,658,816/266,210,125.49 - Step 6: Final answer
x = 136,998,850.43
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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.