Finding the Fourth Proportional to 197,857,207.60, 296,785,811.40 and 168,521,664.40
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Solution
The fourth proportional to 197,857,207.60, 296,785,811.40 and 168,521,664.40 is: 252,782,496.60
Step by Step Solution
- Step 1: Write the proportion equation
197,857,207.60 : 296,785,811.40 = 168,521,664.40 : x - Step 2: Convert to fraction form
197,857,207.60/296,785,811.40 = 168,521,664.40/x - Step 3: Cross multiply
197,857,207.60x = 296,785,811.40 × 168,521,664.40 - Step 4: Simplify right side
197,857,207.60x = 50,014,838,907,432,488 - Step 5: Solve for x
x = 50,014,838,907,432,488/197,857,207.60 - Step 6: Final answer
x = 252,782,496.60
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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.