Finding the Fourth Proportional to 147,635,107.20, 221,452,660.80 and 139,132,051.20
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Solution
The fourth proportional to 147,635,107.20, 221,452,660.80 and 139,132,051.20 is: 208,698,076.80
Step by Step Solution
- Step 1: Write the proportion equation
147,635,107.20 : 221,452,660.80 = 139,132,051.20 : x - Step 2: Convert to fraction form
147,635,107.20/221,452,660.80 = 139,132,051.20/x - Step 3: Cross multiply
147,635,107.20x = 221,452,660.80 × 139,132,051.20 - Step 4: Simplify right side
147,635,107.20x = 30,811,162,940,801,832 - Step 5: Solve for x
x = 30,811,162,940,801,832/147,635,107.20 - Step 6: Final answer
x = 208,698,076.80
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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.