Finding the Fourth Proportional to 251,788,295.20, 377,682,442.80 and 149,499,680.80
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Solution
The fourth proportional to 251,788,295.20, 377,682,442.80 and 149,499,680.80 is: 224,249,521.20
Step by Step Solution
- Step 1: Write the proportion equation
251,788,295.20 : 377,682,442.80 = 149,499,680.80 : x - Step 2: Convert to fraction form
251,788,295.20/377,682,442.80 = 149,499,680.80/x - Step 3: Cross multiply
251,788,295.20x = 377,682,442.80 × 149,499,680.80 - Step 4: Simplify right side
251,788,295.20x = 56,463,404,642,364,264 - Step 5: Solve for x
x = 56,463,404,642,364,264/251,788,295.20 - Step 6: Final answer
x = 224,249,521.20
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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.