Finding the Fourth Proportional to 49,914,186.80, 74,812,297.80 and 21,160,266.80
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Solution
The fourth proportional to 49,914,186.80, 74,812,297.80 and 21,160,266.80 is: 31,715,395.62
Step by Step Solution
- Step 1: Write the proportion equation
49,914,186.80 : 74,812,297.80 = 21,160,266.80 : x - Step 2: Convert to fraction form
49,914,186.80/74,812,297.80 = 21,160,266.80/x - Step 3: Cross multiply
49,914,186.80x = 74,812,297.80 × 21,160,266.80 - Step 4: Simplify right side
49,914,186.80x = 1,583,048,181,369,053 - Step 5: Solve for x
x = 1,583,048,181,369,053/49,914,186.80 - Step 6: Final answer
x = 31,715,395.62
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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.