Finding the Fourth Proportional to 86,615,512.96, 119,524,831.26 and 49,444,318.12
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Solution
The fourth proportional to 86,615,512.96, 119,524,831.26 and 49,444,318.12 is: 68,230,546.45
Step by Step Solution
- Step 1: Write the proportion equation
86,615,512.96 : 119,524,831.26 = 49,444,318.12 : x - Step 2: Convert to fraction form
86,615,512.96/119,524,831.26 = 49,444,318.12/x - Step 3: Cross multiply
86,615,512.96x = 119,524,831.26 × 49,444,318.12 - Step 4: Simplify right side
86,615,512.96x = 5,909,823,780,058,760 - Step 5: Solve for x
x = 5,909,823,780,058,760/86,615,512.96 - Step 6: Final answer
x = 68,230,546.45
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.