Finding the Fourth Proportional to 97,153,197.12, 145,640,115.36 and 48,588,791.04
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Solution
The fourth proportional to 97,153,197.12, 145,640,115.36 and 48,588,791.04 is: 72,838,335.15
Step by Step Solution
- Step 1: Write the proportion equation
97,153,197.12 : 145,640,115.36 = 48,588,791.04 : x - Step 2: Convert to fraction form
97,153,197.12/145,640,115.36 = 48,588,791.04/x - Step 3: Cross multiply
97,153,197.12x = 145,640,115.36 × 48,588,791.04 - Step 4: Simplify right side
97,153,197.12x = 7,076,477,132,268,535 - Step 5: Solve for x
x = 7,076,477,132,268,535/97,153,197.12 - Step 6: Final answer
x = 72,838,335.15
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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.