Finding the Fourth Proportional to 220,155,867.40, 330,232,634.70 and 56,393,307.40
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Solution
The fourth proportional to 220,155,867.40, 330,232,634.70 and 56,393,307.40 is: 84,589,662.32
Step by Step Solution
- Step 1: Write the proportion equation
220,155,867.40 : 330,232,634.70 = 56,393,307.40 : x - Step 2: Convert to fraction form
220,155,867.40/330,232,634.70 = 56,393,307.40/x - Step 3: Cross multiply
220,155,867.40x = 330,232,634.70 × 56,393,307.40 - Step 4: Simplify right side
220,155,867.40x = 18,622,910,482,149,004 - Step 5: Solve for x
x = 18,622,910,482,149,004/220,155,867.40 - Step 6: Final answer
x = 84,589,662.32
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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.