Finding the Fourth Proportional to 75,764,645.62, 104,583,643.95 and 49,660,845.68
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Solution
The fourth proportional to 75,764,645.62, 104,583,643.95 and 49,660,845.68 is: 68,550,603.79
Step by Step Solution
- Step 1: Write the proportion equation
75,764,645.62 : 104,583,643.95 = 49,660,845.68 : x - Step 2: Convert to fraction form
75,764,645.62/104,583,643.95 = 49,660,845.68/x - Step 3: Cross multiply
75,764,645.62x = 104,583,643.95 × 49,660,845.68 - Step 4: Simplify right side
75,764,645.62x = 5,193,712,202,853,016 - Step 5: Solve for x
x = 5,193,712,202,853,016/75,764,645.62 - Step 6: Final answer
x = 68,550,603.79
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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.