Finding the Fourth Proportional to 47,185,197.09, 65,102,413.41 and 30,432,848.10
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Solution
The fourth proportional to 47,185,197.09, 65,102,413.41 and 30,432,848.10 is: 41,988,843.54
Step by Step Solution
- Step 1: Write the proportion equation
47,185,197.09 : 65,102,413.41 = 30,432,848.10 : x - Step 2: Convert to fraction form
47,185,197.09/65,102,413.41 = 30,432,848.10/x - Step 3: Cross multiply
47,185,197.09x = 65,102,413.41 × 30,432,848.10 - Step 4: Simplify right side
47,185,197.09x = 1,981,251,858,249,933 - Step 5: Solve for x
x = 1,981,251,858,249,933/47,185,197.09 - Step 6: Final answer
x = 41,988,843.54
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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.