Finding the Fourth Proportional to 164,524,831.20, 246,787,246.80 and 83,903,263.20
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Solution
The fourth proportional to 164,524,831.20, 246,787,246.80 and 83,903,263.20 is: 125,854,894.80
Step by Step Solution
- Step 1: Write the proportion equation
164,524,831.20 : 246,787,246.80 = 83,903,263.20 : x - Step 2: Convert to fraction form
164,524,831.20/246,787,246.80 = 83,903,263.20/x - Step 3: Cross multiply
164,524,831.20x = 246,787,246.80 × 83,903,263.20 - Step 4: Simplify right side
164,524,831.20x = 20,706,255,322,663,760 - Step 5: Solve for x
x = 20,706,255,322,663,760/164,524,831.20 - Step 6: Final answer
x = 125,854,894.80
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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.