Finding the Fourth Proportional to 54,581,374,372.05, 81,873,729,481.12 and 18,725,628,476.07
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Solution
The fourth proportional to 54,581,374,372.05, 81,873,729,481.12 and 18,725,628,476.07 is: 28,089,014,940.58
Step by Step Solution
- Step 1: Write the proportion equation
54,581,374,372.05 : 81,873,729,481.12 = 18,725,628,476.07 : x - Step 2: Convert to fraction form
54,581,374,372.05/81,873,729,481.12 = 18,725,628,476.07/x - Step 3: Cross multiply
54,581,374,372.05x = 81,873,729,481.12 × 18,725,628,476.07 - Step 4: Simplify right side
54,581,374,372.05x = 1,533,137,040,213,712,306,176 - Step 5: Solve for x
x = 1,533,137,040,213,712,306,176/54,581,374,372.05 - Step 6: Final answer
x = 28,089,014,940.58
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.