Finding the Fourth Proportional to 220,536,101.70, 330,804,152.55 and 217,134,879.30
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Solution
The fourth proportional to 220,536,101.70, 330,804,152.55 and 217,134,879.30 is: 325,702,318.95
Step by Step Solution
- Step 1: Write the proportion equation
220,536,101.70 : 330,804,152.55 = 217,134,879.30 : x - Step 2: Convert to fraction form
220,536,101.70/330,804,152.55 = 217,134,879.30/x - Step 3: Cross multiply
220,536,101.70x = 330,804,152.55 × 217,134,879.30 - Step 4: Simplify right side
220,536,101.70x = 71,829,119,735,883,040 - Step 5: Solve for x
x = 71,829,119,735,883,040/220,536,101.70 - Step 6: Final answer
x = 325,702,318.95
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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.