Finding the Fourth Proportional to 115,905,721.70, 173,858,582.55 and 115,905,721.70
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Solution
The fourth proportional to 115,905,721.70, 173,858,582.55 and 115,905,721.70 is: 173,858,582.55
Step by Step Solution
- Step 1: Write the proportion equation
115,905,721.70 : 173,858,582.55 = 115,905,721.70 : x - Step 2: Convert to fraction form
115,905,721.70/173,858,582.55 = 115,905,721.70/x - Step 3: Cross multiply
115,905,721.70x = 173,858,582.55 × 115,905,721.70 - Step 4: Simplify right side
115,905,721.70x = 20,151,204,484,196,780 - Step 5: Solve for x
x = 20,151,204,484,196,780/115,905,721.70 - Step 6: Final answer
x = 173,858,582.55
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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.