Finding the Fourth Proportional to 177,147,267.70, 265,720,901.55 and 121,664,827.30
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Solution
The fourth proportional to 177,147,267.70, 265,720,901.55 and 121,664,827.30 is: 182,497,240.95
Step by Step Solution
- Step 1: Write the proportion equation
177,147,267.70 : 265,720,901.55 = 121,664,827.30 : x - Step 2: Convert to fraction form
177,147,267.70/265,720,901.55 = 121,664,827.30/x - Step 3: Cross multiply
177,147,267.70x = 265,720,901.55 × 121,664,827.30 - Step 4: Simplify right side
177,147,267.70x = 32,328,887,597,081,052 - Step 5: Solve for x
x = 32,328,887,597,081,052/177,147,267.70 - Step 6: Final answer
x = 182,497,240.95
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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.