Finding the Fourth Proportional to 175,645,310.44, 242,311,040.58 and 106,008,431.08
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Solution
The fourth proportional to 175,645,310.44, 242,311,040.58 and 106,008,431.08 is: 146,243,661.05
Step by Step Solution
- Step 1: Write the proportion equation
175,645,310.44 : 242,311,040.58 = 106,008,431.08 : x - Step 2: Convert to fraction form
175,645,310.44/242,311,040.58 = 106,008,431.08/x - Step 3: Cross multiply
175,645,310.44x = 242,311,040.58 × 106,008,431.08 - Step 4: Simplify right side
175,645,310.44x = 25,687,013,245,248,016 - Step 5: Solve for x
x = 25,687,013,245,248,016/175,645,310.44 - Step 6: Final answer
x = 146,243,661.05
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.