Finding the Fourth Proportional to 220,063,553.10, 330,095,329.65 and 203,435,354.70
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Solution
The fourth proportional to 220,063,553.10, 330,095,329.65 and 203,435,354.70 is: 305,153,032.05
Step by Step Solution
- Step 1: Write the proportion equation
220,063,553.10 : 330,095,329.65 = 203,435,354.70 : x - Step 2: Convert to fraction form
220,063,553.10/330,095,329.65 = 203,435,354.70/x - Step 3: Cross multiply
220,063,553.10x = 330,095,329.65 × 203,435,354.70 - Step 4: Simplify right side
220,063,553.10x = 67,153,060,472,161,168 - Step 5: Solve for x
x = 67,153,060,472,161,168/220,063,553.10 - Step 6: Final answer
x = 305,153,032.05
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1.5x scale
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.