Finding the Fourth Proportional to 92,292,135.10, 138,438,202.65 and 92,292,135.10
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Solution
The fourth proportional to 92,292,135.10, 138,438,202.65 and 92,292,135.10 is: 138,438,202.65
Step by Step Solution
- Step 1: Write the proportion equation
92,292,135.10 : 138,438,202.65 = 92,292,135.10 : x - Step 2: Convert to fraction form
92,292,135.10/138,438,202.65 = 92,292,135.10/x - Step 3: Cross multiply
92,292,135.10x = 138,438,202.65 × 92,292,135.10 - Step 4: Simplify right side
92,292,135.10x = 12,776,757,301,974,978 - Step 5: Solve for x
x = 12,776,757,301,974,978/92,292,135.10 - Step 6: Final answer
x = 138,438,202.65
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1.5x scale
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.