Finding the Fourth Proportional to 47,698,977.20, 71,548,465.80 and 44,510,331.20
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Solution
The fourth proportional to 47,698,977.20, 71,548,465.80 and 44,510,331.20 is: 66,765,496.80
Step by Step Solution
- Step 1: Write the proportion equation
47,698,977.20 : 71,548,465.80 = 44,510,331.20 : x - Step 2: Convert to fraction form
47,698,977.20/71,548,465.80 = 44,510,331.20/x - Step 3: Cross multiply
47,698,977.20x = 71,548,465.80 × 44,510,331.20 - Step 4: Simplify right side
47,698,977.20x = 3,184,645,909,609,873 - Step 5: Solve for x
x = 3,184,645,909,609,873/47,698,977.20 - Step 6: Final answer
x = 66,765,496.80
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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.