Finding the Fourth Proportional to 83,645,515.20, 125,468,272.80 and 22,234,555.20
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Solution
The fourth proportional to 83,645,515.20, 125,468,272.80 and 22,234,555.20 is: 33,351,832.80
Step by Step Solution
- Step 1: Write the proportion equation
83,645,515.20 : 125,468,272.80 = 22,234,555.20 : x - Step 2: Convert to fraction form
83,645,515.20/125,468,272.80 = 22,234,555.20/x - Step 3: Cross multiply
83,645,515.20x = 125,468,272.80 × 22,234,555.20 - Step 4: Simplify right side
83,645,515.20x = 2,789,731,237,420,258.50 - Step 5: Solve for x
x = 2,789,731,237,420,258.50/83,645,515.20 - Step 6: Final answer
x = 33,351,832.80
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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.