Finding the Fourth Proportional to 123,236,413.68, 170,071,565.22 and 68,232,270
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Solution
The fourth proportional to 123,236,413.68, 170,071,565.22 and 68,232,270 is: 94,163,474.99
Step by Step Solution
- Step 1: Write the proportion equation
123,236,413.68 : 170,071,565.22 = 68,232,270 : x - Step 2: Convert to fraction form
123,236,413.68/170,071,565.22 = 68,232,270/x - Step 3: Cross multiply
123,236,413.68x = 170,071,565.22 × 68,232,270 - Step 4: Simplify right side
123,236,413.68x = 11,604,368,957,413,650 - Step 5: Solve for x
x = 11,604,368,957,413,650/123,236,413.68 - Step 6: Final answer
x = 94,163,474.99
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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.