Finding the Fourth Proportional to 97,438,147.56, 134,447,553.46 and 55,603,112.04
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Solution
The fourth proportional to 97,438,147.56, 134,447,553.46 and 55,603,112.04 is: 76,722,542.10
Step by Step Solution
- Step 1: Write the proportion equation
97,438,147.56 : 134,447,553.46 = 55,603,112.04 : x - Step 2: Convert to fraction form
97,438,147.56/134,447,553.46 = 55,603,112.04/x - Step 3: Cross multiply
97,438,147.56x = 134,447,553.46 × 55,603,112.04 - Step 4: Simplify right side
97,438,147.56x = 7,475,702,378,540,270 - Step 5: Solve for x
x = 7,475,702,378,540,270/97,438,147.56 - Step 6: Final answer
x = 76,722,542.10
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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.