Finding the Fourth Proportional to 117,908,673.51, 162,714,614.48 and 68,378,413.62
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Solution
The fourth proportional to 117,908,673.51, 162,714,614.48 and 68,378,413.62 is: 94,362,584.87
Step by Step Solution
- Step 1: Write the proportion equation
117,908,673.51 : 162,714,614.48 = 68,378,413.62 : x - Step 2: Convert to fraction form
117,908,673.51/162,714,614.48 = 68,378,413.62/x - Step 3: Cross multiply
117,908,673.51x = 162,714,614.48 × 68,378,413.62 - Step 4: Simplify right side
117,908,673.51x = 11,126,167,210,932,282 - Step 5: Solve for x
x = 11,126,167,210,932,282/117,908,673.51 - Step 6: Final answer
x = 94,362,584.87
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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.