Finding the Fourth Proportional to 97,153,197.62, 145,640,116.11 and 48,588,791.54
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Solution
The fourth proportional to 97,153,197.62, 145,640,116.11 and 48,588,791.54 is: 72,838,335.90
Step by Step Solution
- Step 1: Write the proportion equation
97,153,197.62 : 145,640,116.11 = 48,588,791.54 : x - Step 2: Convert to fraction form
97,153,197.62/145,640,116.11 = 48,588,791.54/x - Step 3: Cross multiply
97,153,197.62x = 145,640,116.11 × 48,588,791.54 - Step 4: Simplify right side
97,153,197.62x = 7,076,477,241,530,186 - Step 5: Solve for x
x = 7,076,477,241,530,186/97,153,197.62 - Step 6: Final answer
x = 72,838,335.90
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.