Finding the Fourth Proportional to 88,512,258.60, 122,143,899.60 and 48,821,362.20
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Solution
The fourth proportional to 88,512,258.60, 122,143,899.60 and 48,821,362.20 is: 67,371,815.58
Step by Step Solution
- Step 1: Write the proportion equation
88,512,258.60 : 122,143,899.60 = 48,821,362.20 : x - Step 2: Convert to fraction form
88,512,258.60/122,143,899.60 = 48,821,362.20/x - Step 3: Cross multiply
88,512,258.60x = 122,143,899.60 × 48,821,362.20 - Step 4: Simplify right side
88,512,258.60x = 5,963,231,562,892,035 - Step 5: Solve for x
x = 5,963,231,562,892,035/88,512,258.60 - Step 6: Final answer
x = 67,371,815.58
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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.