Finding the Fourth Proportional to 209,952,232.20, 314,928,348.30 and 180,726,913.80
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Solution
The fourth proportional to 209,952,232.20, 314,928,348.30 and 180,726,913.80 is: 271,090,370.70
Step by Step Solution
- Step 1: Write the proportion equation
209,952,232.20 : 314,928,348.30 = 180,726,913.80 : x - Step 2: Convert to fraction form
209,952,232.20/314,928,348.30 = 180,726,913.80/x - Step 3: Cross multiply
209,952,232.20x = 314,928,348.30 × 180,726,913.80 - Step 4: Simplify right side
209,952,232.20x = 56,916,028,456,390,480 - Step 5: Solve for x
x = 56,916,028,456,390,480/209,952,232.20 - Step 6: Final answer
x = 271,090,370.70
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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.