Finding the Fourth Proportional to 98,485,102.09, 147,730,662.69 and 33,787,999.63
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Solution
The fourth proportional to 98,485,102.09, 147,730,662.69 and 33,787,999.63 is: 50,683,031.95
Step by Step Solution
- Step 1: Write the proportion equation
98,485,102.09 : 147,730,662.69 = 33,787,999.63 : x - Step 2: Convert to fraction form
98,485,102.09/147,730,662.69 = 33,787,999.63/x - Step 3: Cross multiply
98,485,102.09x = 147,730,662.69 × 33,787,999.63 - Step 4: Simplify right side
98,485,102.09x = 4,991,523,576,309,375 - Step 5: Solve for x
x = 4,991,523,576,309,375/98,485,102.09 - Step 6: Final answer
x = 50,683,031.95
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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.