Finding the Fourth Proportional to 159,557,660.40, 239,336,490.60 and 132,347,881.20
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Solution
The fourth proportional to 159,557,660.40, 239,336,490.60 and 132,347,881.20 is: 198,521,821.80
Step by Step Solution
- Step 1: Write the proportion equation
159,557,660.40 : 239,336,490.60 = 132,347,881.20 : x - Step 2: Convert to fraction form
159,557,660.40/239,336,490.60 = 132,347,881.20/x - Step 3: Cross multiply
159,557,660.40x = 239,336,490.60 × 132,347,881.20 - Step 4: Simplify right side
159,557,660.40x = 31,675,677,424,753,716 - Step 5: Solve for x
x = 31,675,677,424,753,716/159,557,660.40 - Step 6: Final answer
x = 198,521,821.80
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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.