Finding the Fourth Proportional to 121,436,165.60, 182,091,262.80 and 44,719,704.80
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Solution
The fourth proportional to 121,436,165.60, 182,091,262.80 and 44,719,704.80 is: 67,056,362.32
Step by Step Solution
- Step 1: Write the proportion equation
121,436,165.60 : 182,091,262.80 = 44,719,704.80 : x - Step 2: Convert to fraction form
121,436,165.60/182,091,262.80 = 44,719,704.80/x - Step 3: Cross multiply
121,436,165.60x = 182,091,262.80 × 44,719,704.80 - Step 4: Simplify right side
121,436,165.60x = 8,143,067,519,075,221 - Step 5: Solve for x
x = 8,143,067,519,075,221/121,436,165.60 - Step 6: Final answer
x = 67,056,362.32
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.