Finding the Fourth Proportional to 140,968,986.93, 211,463,671.77 and 59,005,431.99
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Solution
The fourth proportional to 140,968,986.93, 211,463,671.77 and 59,005,431.99 is: 88,512,413.79
Step by Step Solution
- Step 1: Write the proportion equation
140,968,986.93 : 211,463,671.77 = 59,005,431.99 : x - Step 2: Convert to fraction form
140,968,986.93/211,463,671.77 = 59,005,431.99/x - Step 3: Cross multiply
140,968,986.93x = 211,463,671.77 × 59,005,431.99 - Step 4: Simplify right side
140,968,986.93x = 12,477,505,302,980,418 - Step 5: Solve for x
x = 12,477,505,302,980,418/140,968,986.93 - Step 6: Final answer
x = 88,512,413.79
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.