Finding the Fourth Proportional to 205,306,392.78, 283,227,850.71 and 181,808,875.98
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Solution
The fourth proportional to 205,306,392.78, 283,227,850.71 and 181,808,875.98 is: 250,812,147.09
Step by Step Solution
- Step 1: Write the proportion equation
205,306,392.78 : 283,227,850.71 = 181,808,875.98 : x - Step 2: Convert to fraction form
205,306,392.78/283,227,850.71 = 181,808,875.98/x - Step 3: Cross multiply
205,306,392.78x = 283,227,850.71 × 181,808,875.98 - Step 4: Simplify right side
205,306,392.78x = 51,493,337,183,816,336 - Step 5: Solve for x
x = 51,493,337,183,816,336/205,306,392.78 - Step 6: Final answer
x = 250,812,147.09
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.