Finding the Fourth Proportional to 127,329,647.44, 190,994,231.64 and 39,897,857.68
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Solution
The fourth proportional to 127,329,647.44, 190,994,231.64 and 39,897,857.68 is: 59,846,711.47
Step by Step Solution
- Step 1: Write the proportion equation
127,329,647.44 : 190,994,231.64 = 39,897,857.68 : x - Step 2: Convert to fraction form
127,329,647.44/190,994,231.64 = 39,897,857.68/x - Step 3: Cross multiply
127,329,647.44x = 190,994,231.64 × 39,897,857.68 - Step 4: Simplify right side
127,329,647.44x = 7,620,260,671,673,672 - Step 5: Solve for x
x = 7,620,260,671,673,672/127,329,647.44 - Step 6: Final answer
x = 59,846,711.47
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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.