Finding the Fourth Proportional to 49,847,467.70, 74,771,201.55 and 27,172,651.70
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Solution
The fourth proportional to 49,847,467.70, 74,771,201.55 and 27,172,651.70 is: 40,758,977.55
Step by Step Solution
- Step 1: Write the proportion equation
49,847,467.70 : 74,771,201.55 = 27,172,651.70 : x - Step 2: Convert to fraction form
49,847,467.70/74,771,201.55 = 27,172,651.70/x - Step 3: Cross multiply
49,847,467.70x = 74,771,201.55 × 27,172,651.70 - Step 4: Simplify right side
49,847,467.70x = 2,031,731,816,908,650 - Step 5: Solve for x
x = 2,031,731,816,908,650/49,847,467.70 - Step 6: Final answer
x = 40,758,977.55
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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.