Finding the Fourth Proportional to 88,603,190,330.28, 122,272,408,626.53 and 48,505,169,718.78
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Solution
The fourth proportional to 88,603,190,330.28, 122,272,408,626.53 and 48,505,169,718.78 is: 66,937,137,480.56
Step by Step Solution
- Step 1: Write the proportion equation
88,603,190,330.28 : 122,272,408,626.53 = 48,505,169,718.78 : x - Step 2: Convert to fraction form
88,603,190,330.28/122,272,408,626.53 = 48,505,169,718.78/x - Step 3: Cross multiply
88,603,190,330.28x = 122,272,408,626.53 × 48,505,169,718.78 - Step 4: Simplify right side
88,603,190,330.28x = 5,930,843,932,353,856,798,720 - Step 5: Solve for x
x = 5,930,843,932,353,856,798,720/88,603,190,330.28 - Step 6: Final answer
x = 66,937,137,480.56
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1.5x scale
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.