Finding the Fourth Proportional to 126,419,910.36, 174,473,638.92 and 71,419,309.80
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Solution
The fourth proportional to 126,419,910.36, 174,473,638.92 and 71,419,309.80 is: 98,566,648.52
Step by Step Solution
- Step 1: Write the proportion equation
126,419,910.36 : 174,473,638.92 = 71,419,309.80 : x - Step 2: Convert to fraction form
126,419,910.36/174,473,638.92 = 71,419,309.80/x - Step 3: Cross multiply
126,419,910.36x = 174,473,638.92 × 71,419,309.80 - Step 4: Simplify right side
126,419,910.36x = 12,460,786,869,960,816 - Step 5: Solve for x
x = 12,460,786,869,960,816/126,419,910.36 - Step 6: Final answer
x = 98,566,648.52
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.