Finding the Fourth Proportional to 139,364,413.29, 192,268,457.91 and 79,793,872.52
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Solution
The fourth proportional to 139,364,413.29, 192,268,457.91 and 79,793,872.52 is: 110,084,378.48
Step by Step Solution
- Step 1: Write the proportion equation
139,364,413.29 : 192,268,457.91 = 79,793,872.52 : x - Step 2: Convert to fraction form
139,364,413.29/192,268,457.91 = 79,793,872.52/x - Step 3: Cross multiply
139,364,413.29x = 192,268,457.91 × 79,793,872.52 - Step 4: Simplify right side
139,364,413.29x = 15,341,844,819,126,184 - Step 5: Solve for x
x = 15,341,844,819,126,184/139,364,413.29 - Step 6: Final answer
x = 110,084,378.48
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.