Finding the Fourth Proportional to 216,811,280.06, 299,199,948.92 and 117,692,096.09
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Solution
The fourth proportional to 216,811,280.06, 299,199,948.92 and 117,692,096.09 is: 162,415,300.20
Step by Step Solution
- Step 1: Write the proportion equation
216,811,280.06 : 299,199,948.92 = 117,692,096.09 : x - Step 2: Convert to fraction form
216,811,280.06/299,199,948.92 = 117,692,096.09/x - Step 3: Cross multiply
216,811,280.06x = 299,199,948.92 × 117,692,096.09 - Step 4: Simplify right side
216,811,280.06x = 35,213,469,138,415,736 - Step 5: Solve for x
x = 35,213,469,138,415,736/216,811,280.06 - Step 6: Final answer
x = 162,415,300.20
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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.