Finding the Fourth Proportional to 269,511,490.68, 371,926,977.92 and 145,752,167.80
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Solution
The fourth proportional to 269,511,490.68, 371,926,977.92 and 145,752,167.80 is: 201,138,597.68
Step by Step Solution
- Step 1: Write the proportion equation
269,511,490.68 : 371,926,977.92 = 145,752,167.80 : x - Step 2: Convert to fraction form
269,511,490.68/371,926,977.92 = 145,752,167.80/x - Step 3: Cross multiply
269,511,490.68x = 371,926,977.92 × 145,752,167.80 - Step 4: Simplify right side
269,511,490.68x = 54,209,163,295,142,744 - Step 5: Solve for x
x = 54,209,163,295,142,744/269,511,490.68 - Step 6: Final answer
x = 201,138,597.68
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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.