Finding the Fourth Proportional to 80,451,128.70, 120,677,798.70 and 22,943,404.80
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Solution
The fourth proportional to 80,451,128.70, 120,677,798.70 and 22,943,404.80 is: 34,415,422.51
Step by Step Solution
- Step 1: Write the proportion equation
80,451,128.70 : 120,677,798.70 = 22,943,404.80 : x - Step 2: Convert to fraction form
80,451,128.70/120,677,798.70 = 22,943,404.80/x - Step 3: Cross multiply
80,451,128.70x = 120,677,798.70 × 22,943,404.80 - Step 4: Simplify right side
80,451,128.70x = 2,768,759,585,947,014 - Step 5: Solve for x
x = 2,768,759,585,947,014/80,451,128.70 - Step 6: Final answer
x = 34,415,422.51
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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.