Finding the Fourth Proportional to 162,665,413.48, 224,484,707.09 and 91,138,912.05
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Solution
The fourth proportional to 162,665,413.48, 224,484,707.09 and 91,138,912.05 is: 125,775,304.90
Step by Step Solution
- Step 1: Write the proportion equation
162,665,413.48 : 224,484,707.09 = 91,138,912.05 : x - Step 2: Convert to fraction form
162,665,413.48/224,484,707.09 = 91,138,912.05/x - Step 3: Cross multiply
162,665,413.48x = 224,484,707.09 × 91,138,912.05 - Step 4: Simplify right side
162,665,413.48x = 20,459,291,976,602,984 - Step 5: Solve for x
x = 20,459,291,976,602,984/162,665,413.48 - Step 6: Final answer
x = 125,775,304.90
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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.