Finding the Fourth Proportional to 216,811,283.44, 299,199,953.57 and 117,692,099.47
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Solution
The fourth proportional to 216,811,283.44, 299,199,953.57 and 117,692,099.47 is: 162,415,304.86
Step by Step Solution
- Step 1: Write the proportion equation
216,811,283.44 : 299,199,953.57 = 117,692,099.47 : x - Step 2: Convert to fraction form
216,811,283.44/299,199,953.57 = 117,692,099.47/x - Step 3: Cross multiply
216,811,283.44x = 299,199,953.57 × 117,692,099.47 - Step 4: Simplify right side
216,811,283.44x = 35,213,470,696,979,820 - Step 5: Solve for x
x = 35,213,470,696,979,820/216,811,283.44 - Step 6: Final answer
x = 162,415,304.86
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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.