Finding the Fourth Proportional to 135,040,107.38, 186,355,543.18 and 73,160,444.12
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Solution
The fourth proportional to 135,040,107.38, 186,355,543.18 and 73,160,444.12 is: 100,961,518.53
Step by Step Solution
- Step 1: Write the proportion equation
135,040,107.38 : 186,355,543.18 = 73,160,444.12 : x - Step 2: Convert to fraction form
135,040,107.38/186,355,543.18 = 73,160,444.12/x - Step 3: Cross multiply
135,040,107.38x = 186,355,543.18 × 73,160,444.12 - Step 4: Simplify right side
135,040,107.38x = 13,633,854,303,272,638 - Step 5: Solve for x
x = 13,633,854,303,272,638/135,040,107.38 - Step 6: Final answer
x = 100,961,518.53
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1.5x scale
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.