Finding the Fourth Proportional to 76,895,481.60, 106,115,376.96 and 41,613,261.12
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Solution
The fourth proportional to 76,895,481.60, 106,115,376.96 and 41,613,261.12 is: 57,426,090.56
Step by Step Solution
- Step 1: Write the proportion equation
76,895,481.60 : 106,115,376.96 = 41,613,261.12 : x - Step 2: Convert to fraction form
76,895,481.60/106,115,376.96 = 41,613,261.12/x - Step 3: Cross multiply
76,895,481.60x = 106,115,376.96 × 41,613,261.12 - Step 4: Simplify right side
76,895,481.60x = 4,415,806,890,283,711 - Step 5: Solve for x
x = 4,415,806,890,283,711/76,895,481.60 - Step 6: Final answer
x = 57,426,090.56
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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.