Finding the Fourth Proportional to 84,571,413.39, 116,711,758.62 and 47,402,380.62
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Solution
The fourth proportional to 84,571,413.39, 116,711,758.62 and 47,402,380.62 is: 65,417,083.42
Step by Step Solution
- Step 1: Write the proportion equation
84,571,413.39 : 116,711,758.62 = 47,402,380.62 : x - Step 2: Convert to fraction form
84,571,413.39/116,711,758.62 = 47,402,380.62/x - Step 3: Cross multiply
84,571,413.39x = 116,711,758.62 × 47,402,380.62 - Step 4: Simplify right side
84,571,413.39x = 5,532,415,204,934,806 - Step 5: Solve for x
x = 5,532,415,204,934,806/84,571,413.39 - Step 6: Final answer
x = 65,417,083.42
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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.