Finding the Fourth Proportional to 83,675,438.12, 125,441,272.86 and 29,080,931.24
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Solution
The fourth proportional to 83,675,438.12, 125,441,272.86 and 29,080,931.24 is: 43,596,413.87
Step by Step Solution
- Step 1: Write the proportion equation
83,675,438.12 : 125,441,272.86 = 29,080,931.24 : x - Step 2: Convert to fraction form
83,675,438.12/125,441,272.86 = 29,080,931.24/x - Step 3: Cross multiply
83,675,438.12x = 125,441,272.86 × 29,080,931.24 - Step 4: Simplify right side
83,675,438.12x = 3,647,949,030,699,738 - Step 5: Solve for x
x = 3,647,949,030,699,738/83,675,438.12 - Step 6: Final answer
x = 43,596,413.87
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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.