Finding the Fourth Proportional to 66,839,725.68, 100,239,178.32 and 46,222,690.80
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Solution
The fourth proportional to 66,839,725.68, 100,239,178.32 and 46,222,690.80 is: 69,319,921.62
Step by Step Solution
- Step 1: Write the proportion equation
66,839,725.68 : 100,239,178.32 = 46,222,690.80 : x - Step 2: Convert to fraction form
66,839,725.68/100,239,178.32 = 46,222,690.80/x - Step 3: Cross multiply
66,839,725.68x = 100,239,178.32 × 46,222,690.80 - Step 4: Simplify right side
66,839,725.68x = 4,633,324,545,531,423 - Step 5: Solve for x
x = 4,633,324,545,531,423/66,839,725.68 - Step 6: Final answer
x = 69,319,921.62
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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.