Finding the Fourth Proportional to 283,124,849.09, 390,724,413.48 and 157,677,044.33
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Solution
The fourth proportional to 283,124,849.09, 390,724,413.48 and 157,677,044.33 is: 217,601,071.97
Step by Step Solution
- Step 1: Write the proportion equation
283,124,849.09 : 390,724,413.48 = 157,677,044.33 : x - Step 2: Convert to fraction form
283,124,849.09/390,724,413.48 = 157,677,044.33/x - Step 3: Cross multiply
283,124,849.09x = 390,724,413.48 × 157,677,044.33 - Step 4: Simplify right side
283,124,849.09x = 61,608,270,663,660,976 - Step 5: Solve for x
x = 61,608,270,663,660,976/283,124,849.09 - Step 6: Final answer
x = 217,601,071.97
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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.