Finding the Fourth Proportional to 209,952,220.20, 314,928,330.30 and 133,361,730.60
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Solution
The fourth proportional to 209,952,220.20, 314,928,330.30 and 133,361,730.60 is: 200,042,595.90
Step by Step Solution
- Step 1: Write the proportion equation
209,952,220.20 : 314,928,330.30 = 133,361,730.60 : x - Step 2: Convert to fraction form
209,952,220.20/314,928,330.30 = 133,361,730.60/x - Step 3: Cross multiply
209,952,220.20x = 314,928,330.30 × 133,361,730.60 - Step 4: Simplify right side
209,952,220.20x = 41,999,387,143,776,416 - Step 5: Solve for x
x = 41,999,387,143,776,416/209,952,220.20 - Step 6: Final answer
x = 200,042,595.90
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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.