Finding the Fourth Proportional to 70,702,762.73, 97,558,408.73 and 39,761,086.73
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Solution
The fourth proportional to 70,702,762.73, 97,558,408.73 and 39,761,086.73 is: 54,863,886.51
Step by Step Solution
- Step 1: Write the proportion equation
70,702,762.73 : 97,558,408.73 = 39,761,086.73 : x - Step 2: Convert to fraction form
70,702,762.73/97,558,408.73 = 39,761,086.73/x - Step 3: Cross multiply
70,702,762.73x = 97,558,408.73 × 39,761,086.73 - Step 4: Simplify right side
70,702,762.73x = 3,879,028,350,365,930 - Step 5: Solve for x
x = 3,879,028,350,365,930/70,702,762.73 - Step 6: Final answer
x = 54,863,886.51
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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.