Finding the Fourth Proportional to 140,227,513.98, 193,413,608.34 and 98,420,908.02
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Solution
The fourth proportional to 140,227,513.98, 193,413,608.34 and 98,420,908.02 is: 135,750,413.14
Step by Step Solution
- Step 1: Write the proportion equation
140,227,513.98 : 193,413,608.34 = 98,420,908.02 : x - Step 2: Convert to fraction form
140,227,513.98/193,413,608.34 = 98,420,908.02/x - Step 3: Cross multiply
140,227,513.98x = 193,413,608.34 × 98,420,908.02 - Step 4: Simplify right side
140,227,513.98x = 19,035,942,956,247,444 - Step 5: Solve for x
x = 19,035,942,956,247,444/140,227,513.98 - Step 6: Final answer
x = 135,750,413.14
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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.