Finding the Fourth Proportional to 220,342,930.08, 330,455,346.11 and 66,947,799.84
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Solution
The fourth proportional to 220,342,930.08, 330,455,346.11 and 66,947,799.84 is: 100,403,758.63
Step by Step Solution
- Step 1: Write the proportion equation
220,342,930.08 : 330,455,346.11 = 66,947,799.84 : x - Step 2: Convert to fraction form
220,342,930.08/330,455,346.11 = 66,947,799.84/x - Step 3: Cross multiply
220,342,930.08x = 330,455,346.11 × 66,947,799.84 - Step 4: Simplify right side
220,342,930.08x = 22,123,258,367,430,204 - Step 5: Solve for x
x = 22,123,258,367,430,204/220,342,930.08 - Step 6: Final answer
x = 100,403,758.63
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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.