Finding the Fourth Proportional to 155,239,694.40, 232,859,541.60 and 132,157,440.30
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Solution
The fourth proportional to 155,239,694.40, 232,859,541.60 and 132,157,440.30 is: 198,236,160.45
Step by Step Solution
- Step 1: Write the proportion equation
155,239,694.40 : 232,859,541.60 = 132,157,440.30 : x - Step 2: Convert to fraction form
155,239,694.40/232,859,541.60 = 132,157,440.30/x - Step 3: Cross multiply
155,239,694.40x = 232,859,541.60 × 132,157,440.30 - Step 4: Simplify right side
155,239,694.40x = 30,774,120,967,287,364 - Step 5: Solve for x
x = 30,774,120,967,287,364/155,239,694.40 - Step 6: Final answer
x = 198,236,160.45
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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.