Finding the Fourth Proportional to 76,961,554.47, 115,442,302.26 and 30,903,409.68
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Solution
The fourth proportional to 76,961,554.47, 115,442,302.26 and 30,903,409.68 is: 46,355,102.70
Step by Step Solution
- Step 1: Write the proportion equation
76,961,554.47 : 115,442,302.26 = 30,903,409.68 : x - Step 2: Convert to fraction form
76,961,554.47/115,442,302.26 = 30,903,409.68/x - Step 3: Cross multiply
76,961,554.47x = 115,442,302.26 × 30,903,409.68 - Step 4: Simplify right side
76,961,554.47x = 3,567,560,761,143,170 - Step 5: Solve for x
x = 3,567,560,761,143,170/76,961,554.47 - Step 6: Final answer
x = 46,355,102.70
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.