Finding the Fourth Proportional to 220,056,926.70, 330,085,390.05 and 143,529,422.70
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Solution
The fourth proportional to 220,056,926.70, 330,085,390.05 and 143,529,422.70 is: 215,294,134.05
Step by Step Solution
- Step 1: Write the proportion equation
220,056,926.70 : 330,085,390.05 = 143,529,422.70 : x - Step 2: Convert to fraction form
220,056,926.70/330,085,390.05 = 143,529,422.70/x - Step 3: Cross multiply
220,056,926.70x = 330,085,390.05 × 143,529,422.70 - Step 4: Simplify right side
220,056,926.70x = 47,376,965,475,580,824 - Step 5: Solve for x
x = 47,376,965,475,580,824/220,056,926.70 - Step 6: Final answer
x = 215,294,134.05
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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.