Finding the Fourth Proportional to 84,886,342.68, 127,361,042.24 and 58,964,985.92
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Solution
The fourth proportional to 84,886,342.68, 127,361,042.24 and 58,964,985.92 is: 88,469,379.47
Step by Step Solution
- Step 1: Write the proportion equation
84,886,342.68 : 127,361,042.24 = 58,964,985.92 : x - Step 2: Convert to fraction form
84,886,342.68/127,361,042.24 = 58,964,985.92/x - Step 3: Cross multiply
84,886,342.68x = 127,361,042.24 × 58,964,985.92 - Step 4: Simplify right side
84,886,342.68x = 7,509,842,062,438,125 - Step 5: Solve for x
x = 7,509,842,062,438,125/84,886,342.68 - Step 6: Final answer
x = 88,469,379.47
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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.