Finding the Fourth Proportional to 108,951,979.08, 163,411,122.26 and 39,848,622.77
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Solution
The fourth proportional to 108,951,979.08, 163,411,122.26 and 39,848,622.77 is: 59,766,772.69
Step by Step Solution
- Step 1: Write the proportion equation
108,951,979.08 : 163,411,122.26 = 39,848,622.77 : x - Step 2: Convert to fraction form
108,951,979.08/163,411,122.26 = 39,848,622.77/x - Step 3: Cross multiply
108,951,979.08x = 163,411,122.26 × 39,848,622.77 - Step 4: Simplify right side
108,951,979.08x = 6,511,708,167,869,239 - Step 5: Solve for x
x = 6,511,708,167,869,239/108,951,979.08 - Step 6: Final answer
x = 59,766,772.69
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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.