Finding the Fourth Proportional to 117,515,777.70, 164,692,149.90 and 117,515,777.70
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Solution
The fourth proportional to 117,515,777.70, 164,692,149.90 and 117,515,777.70 is: 164,692,149.90
Step by Step Solution
- Step 1: Write the proportion equation
117,515,777.70 : 164,692,149.90 = 117,515,777.70 : x - Step 2: Convert to fraction form
117,515,777.70/164,692,149.90 = 117,515,777.70/x - Step 3: Cross multiply
117,515,777.70x = 164,692,149.90 × 117,515,777.70 - Step 4: Simplify right side
117,515,777.70x = 19,353,926,076,583,480 - Step 5: Solve for x
x = 19,353,926,076,583,480/117,515,777.70 - Step 6: Final answer
x = 164,692,149.90
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Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.