Finding the Fourth Proportional to 73,305,395.68, 109,972,236.12 and 27,863,637.52
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Solution
The fourth proportional to 73,305,395.68, 109,972,236.12 and 27,863,637.52 is: 41,800,831.93
Step by Step Solution
- Step 1: Write the proportion equation
73,305,395.68 : 109,972,236.12 = 27,863,637.52 : x - Step 2: Convert to fraction form
73,305,395.68/109,972,236.12 = 27,863,637.52/x - Step 3: Cross multiply
73,305,395.68x = 109,972,236.12 × 27,863,637.52 - Step 4: Simplify right side
73,305,395.68x = 3,064,226,524,511,531.50 - Step 5: Solve for x
x = 3,064,226,524,511,531.50/73,305,395.68 - Step 6: Final answer
x = 41,800,831.93
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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.