Finding the Fourth Proportional to 127,329,645.44, 190,994,228.64 and 39,897,855.68
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Solution
The fourth proportional to 127,329,645.44, 190,994,228.64 and 39,897,855.68 is: 59,846,708.47
Step by Step Solution
- Step 1: Write the proportion equation
127,329,645.44 : 190,994,228.64 = 39,897,855.68 : x - Step 2: Convert to fraction form
127,329,645.44/190,994,228.64 = 39,897,855.68/x - Step 3: Cross multiply
127,329,645.44x = 190,994,228.64 × 39,897,855.68 - Step 4: Simplify right side
127,329,645.44x = 7,620,260,169,991,642 - Step 5: Solve for x
x = 7,620,260,169,991,642/127,329,645.44 - Step 6: Final answer
x = 59,846,708.47
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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.