Finding the Fourth Proportional to 197,612,471.54, 272,615,786.90 and 119,270,982.26
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Solution
The fourth proportional to 197,612,471.54, 272,615,786.90 and 119,270,982.26 is: 164,539,982.88
Step by Step Solution
- Step 1: Write the proportion equation
197,612,471.54 : 272,615,786.90 = 119,270,982.26 : x - Step 2: Convert to fraction form
197,612,471.54/272,615,786.90 = 119,270,982.26/x - Step 3: Cross multiply
197,612,471.54x = 272,615,786.90 × 119,270,982.26 - Step 4: Simplify right side
197,612,471.54x = 32,515,152,683,145,840 - Step 5: Solve for x
x = 32,515,152,683,145,840/197,612,471.54 - Step 6: Final answer
x = 164,539,982.88
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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.