Finding the Fourth Proportional to 129,992,796.93, 194,927,220.68 and 48,107,991.81
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Solution
The fourth proportional to 129,992,796.93, 194,927,220.68 and 48,107,991.81 is: 72,139,051.99
Step by Step Solution
- Step 1: Write the proportion equation
129,992,796.93 : 194,927,220.68 = 48,107,991.81 : x - Step 2: Convert to fraction form
129,992,796.93/194,927,220.68 = 48,107,991.81/x - Step 3: Cross multiply
129,992,796.93x = 194,927,220.68 × 48,107,991.81 - Step 4: Simplify right side
129,992,796.93x = 9,377,557,135,778,964 - Step 5: Solve for x
x = 9,377,557,135,778,964/129,992,796.93 - Step 6: Final answer
x = 72,139,051.99
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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.