Finding the Fourth Proportional to 110,719,982.70, 166,079,974.05 and 105,681,134.70
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Solution
The fourth proportional to 110,719,982.70, 166,079,974.05 and 105,681,134.70 is: 158,521,702.05
Step by Step Solution
- Step 1: Write the proportion equation
110,719,982.70 : 166,079,974.05 = 105,681,134.70 : x - Step 2: Convert to fraction form
110,719,982.70/166,079,974.05 = 105,681,134.70/x - Step 3: Cross multiply
110,719,982.70x = 166,079,974.05 × 105,681,134.70 - Step 4: Simplify right side
110,719,982.70x = 17,551,520,108,550,556 - Step 5: Solve for x
x = 17,551,520,108,550,556/110,719,982.70 - Step 6: Final answer
x = 158,521,702.05
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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.