Finding the Fourth Proportional to 75,189,733.26, 103,761,831.88 and 42,594,685.26
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Solution
The fourth proportional to 75,189,733.26, 103,761,831.88 and 42,594,685.26 is: 58,780,665.65
Step by Step Solution
- Step 1: Write the proportion equation
75,189,733.26 : 103,761,831.88 = 42,594,685.26 : x - Step 2: Convert to fraction form
75,189,733.26/103,761,831.88 = 42,594,685.26/x - Step 3: Cross multiply
75,189,733.26x = 103,761,831.88 × 42,594,685.26 - Step 4: Simplify right side
75,189,733.26x = 4,419,702,570,929,633.50 - Step 5: Solve for x
x = 4,419,702,570,929,633.50/75,189,733.26 - Step 6: Final answer
x = 58,780,665.65
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.