Finding the Fourth Proportional to 88,539,473.31, 122,184,636.21 and 49,383,773.88
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Solution
The fourth proportional to 88,539,473.31, 122,184,636.21 and 49,383,773.88 is: 68,149,698.89
Step by Step Solution
- Step 1: Write the proportion equation
88,539,473.31 : 122,184,636.21 = 49,383,773.88 : x - Step 2: Convert to fraction form
88,539,473.31/122,184,636.21 = 49,383,773.88/x - Step 3: Cross multiply
88,539,473.31x = 122,184,636.21 × 49,383,773.88 - Step 4: Simplify right side
88,539,473.31x = 6,033,938,446,204,700 - Step 5: Solve for x
x = 6,033,938,446,204,700/88,539,473.31 - Step 6: Final answer
x = 68,149,698.89
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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.