Finding the Fourth Proportional to 109,394,782.44, 151,011,283.14 and 68,162,046.72
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Solution
The fourth proportional to 109,394,782.44, 151,011,283.14 and 68,162,046.72 is: 94,092,587.48
Step by Step Solution
- Step 1: Write the proportion equation
109,394,782.44 : 151,011,283.14 = 68,162,046.72 : x - Step 2: Convert to fraction form
109,394,782.44/151,011,283.14 = 68,162,046.72/x - Step 3: Cross multiply
109,394,782.44x = 151,011,283.14 × 68,162,046.72 - Step 4: Simplify right side
109,394,782.44x = 10,293,238,136,635,828 - Step 5: Solve for x
x = 10,293,238,136,635,828/109,394,782.44 - Step 6: Final answer
x = 94,092,587.48
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.