Finding the Fourth Proportional to 175,440,530.63, 263,311,961.38 and 121,625,633.99
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Solution
The fourth proportional to 175,440,530.63, 263,311,961.38 and 121,625,633.99 is: 182,543,247.70
Step by Step Solution
- Step 1: Write the proportion equation
175,440,530.63 : 263,311,961.38 = 121,625,633.99 : x - Step 2: Convert to fraction form
175,440,530.63/263,311,961.38 = 121,625,633.99/x - Step 3: Cross multiply
175,440,530.63x = 263,311,961.38 × 121,625,633.99 - Step 4: Simplify right side
175,440,530.63x = 32,025,484,238,676,336 - Step 5: Solve for x
x = 32,025,484,238,676,336/175,440,530.63 - Step 6: Final answer
x = 182,543,247.70
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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.