Finding the Fourth Proportional to 155,239,474.40, 232,859,211.60 and 132,157,220.30
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Solution
The fourth proportional to 155,239,474.40, 232,859,211.60 and 132,157,220.30 is: 198,235,830.45
Step by Step Solution
- Step 1: Write the proportion equation
155,239,474.40 : 232,859,211.60 = 132,157,220.30 : x - Step 2: Convert to fraction form
155,239,474.40/232,859,211.60 = 132,157,220.30/x - Step 3: Cross multiply
155,239,474.40x = 232,859,211.60 × 132,157,220.30 - Step 4: Simplify right side
155,239,474.40x = 30,774,026,126,305,512 - Step 5: Solve for x
x = 30,774,026,126,305,512/155,239,474.40 - Step 6: Final answer
x = 198,235,830.45
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1.5x scale
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.