Finding the Fourth Proportional to 110,631,161.70, 165,946,742.55 and 41,543,831.70
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Solution
The fourth proportional to 110,631,161.70, 165,946,742.55 and 41,543,831.70 is: 62,315,747.55
Step by Step Solution
- Step 1: Write the proportion equation
110,631,161.70 : 165,946,742.55 = 41,543,831.70 : x - Step 2: Convert to fraction form
110,631,161.70/165,946,742.55 = 41,543,831.70/x - Step 3: Cross multiply
110,631,161.70x = 165,946,742.55 × 41,543,831.70 - Step 4: Simplify right side
110,631,161.70x = 6,894,063,543,660,430 - Step 5: Solve for x
x = 6,894,063,543,660,430/110,631,161.70 - Step 6: Final answer
x = 62,315,747.55
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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.