Finding the Fourth Proportional to 166,080,220.80, 249,120,331.20 and 44,911,672.80
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Solution
The fourth proportional to 166,080,220.80, 249,120,331.20 and 44,911,672.80 is: 67,367,509.20
Step by Step Solution
- Step 1: Write the proportion equation
166,080,220.80 : 249,120,331.20 = 44,911,672.80 : x - Step 2: Convert to fraction form
166,080,220.80/249,120,331.20 = 44,911,672.80/x - Step 3: Cross multiply
166,080,220.80x = 249,120,331.20 × 44,911,672.80 - Step 4: Simplify right side
166,080,220.80x = 11,188,410,802,682,030 - Step 5: Solve for x
x = 11,188,410,802,682,030/166,080,220.80 - Step 6: Final answer
x = 67,367,509.20
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1.5x scale
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.