Finding the Fourth Proportional to 177,310,235.80, 265,965,353.70 and 109,285,787.80
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Solution
The fourth proportional to 177,310,235.80, 265,965,353.70 and 109,285,787.80 is: 163,928,681.70
Step by Step Solution
- Step 1: Write the proportion equation
177,310,235.80 : 265,965,353.70 = 109,285,787.80 : x - Step 2: Convert to fraction form
177,310,235.80/265,965,353.70 = 109,285,787.80/x - Step 3: Cross multiply
177,310,235.80x = 265,965,353.70 × 109,285,787.80 - Step 4: Simplify right side
177,310,235.80x = 29,066,233,206,610,144 - Step 5: Solve for x
x = 29,066,233,206,610,144/177,310,235.80 - Step 6: Final answer
x = 163,928,681.70
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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.