Finding the Fourth Proportional to 221,467,235.92, 332,123,924.09 and 123,248,828.05
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Solution
The fourth proportional to 221,467,235.92, 332,123,924.09 and 123,248,828.05 is: 184,830,429.84
Step by Step Solution
- Step 1: Write the proportion equation
221,467,235.92 : 332,123,924.09 = 123,248,828.05 : x - Step 2: Convert to fraction form
221,467,235.92/332,123,924.09 = 123,248,828.05/x - Step 3: Cross multiply
221,467,235.92x = 332,123,924.09 × 123,248,828.05 - Step 4: Simplify right side
221,467,235.92x = 40,933,884,410,937,472 - Step 5: Solve for x
x = 40,933,884,410,937,472/221,467,235.92 - Step 6: Final answer
x = 184,830,429.84
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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.