Finding the Fourth Proportional to 243,083,700.81, 335,455,497.50 and 133,075,413.81
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Solution
The fourth proportional to 243,083,700.81, 335,455,497.50 and 133,075,413.81 is: 183,644,065.79
Step by Step Solution
- Step 1: Write the proportion equation
243,083,700.81 : 335,455,497.50 = 133,075,413.81 : x - Step 2: Convert to fraction form
243,083,700.81/335,455,497.50 = 133,075,413.81/x - Step 3: Cross multiply
243,083,700.81x = 335,455,497.50 × 133,075,413.81 - Step 4: Simplify right side
243,083,700.81x = 44,640,879,143,986,544 - Step 5: Solve for x
x = 44,640,879,143,986,544/243,083,700.81 - Step 6: Final answer
x = 183,644,065.79
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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.